{"id":510858,"date":"2025-12-08T09:01:35","date_gmt":"2025-12-08T02:01:35","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=510858"},"modified":"2025-12-08T09:01:35","modified_gmt":"2025-12-08T02:01:35","slug":"cach-doi-do-f-sang-do-c","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/cach-doi-do-f-sang-do-c\/","title":{"rendered":"1 \u0111\u1ed9 F b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 C? C\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C tr\u00ean m\u00e1y l\u1ea1nh"},"content":{"rendered":"<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69189896-1d68-8322-ab71-e72e5bf53b73-16\" data-testid=\"conversation-turn-222\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"64adabe7-0980-4169-b950-d10d382a6cd9\" data-message-model-slug=\"gpt-5-mini\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\">\n<p data-start=\"66\" data-end=\"629\" data-is-last-node=\"\" data-is-only-node=\"\">B\u1ea1n \u0111\u00e3 t\u1eebng nh\u00ecn th\u1ea5y m\u00e1y l\u1ea1nh hi\u1ec3n th\u1ecb nhi\u1ec7t \u0111\u1ed9 b\u1eb1ng \u0111\u1ed9 F v\u00e0 t\u1ef1 h\u1ecfi kh\u00f4ng bi\u1ebft <strong data-start=\"150\" data-end=\"177\">c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C<\/strong> nh\u01b0 th\u1ebf n\u00e0o ch\u01b0a? Vi\u1ec7c hi\u1ec3u r\u00f5 m\u1ed1i quan h\u1ec7 gi\u1eefa Fahrenheit v\u00e0 Celsius kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh m\u00e1y l\u1ea1nh ch\u00ednh x\u00e1c m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p, ti\u1ebft ki\u1ec7m \u0111i\u1ec7n v\u00e0 tho\u1ea3i m\u00e1i h\u01a1n trong kh\u00f4ng gian s\u1ed1ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch 1 \u0111\u1ed9 F b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 C, h\u01b0\u1edbng d\u1eabn c\u00e1c c\u00e1ch chuy\u1ec3n \u0111\u1ed5i nhanh ch\u00f3ng tr\u00ean m\u00e1y l\u1ea1nh, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p nh\u1eefng th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng \u0111o nhi\u1ec7t \u0111\u1ed9 ph\u1ed5 bi\u1ebfn, gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<h2 data-start=\"225\" data-end=\"243\"><strong data-start=\"228\" data-end=\"243\">\u0110\u1ed9 F l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>\u0110\u1ed9 F hay \u0111\u1ed9 Fahrenheit l\u00e0 \u0111\u01a1n v\u1ecb \u0111o nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c \u0111\u1eb7t theo t\u00ean nh\u00e0 v\u1eadt l\u00fd Daniel Gabriel Fahrenheit (1686\u20131736). H\u1ec7 th\u1ed1ng Fahrenheit \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i t\u1ea1i M\u1ef9 v\u00e0 m\u1ed9t s\u1ed1 qu\u1ed1c gia kh\u00e1c, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng, m\u00e1y l\u1ea1nh, t\u1ee7 l\u1ea1nh, l\u00f2 n\u01b0\u1edbng v\u00e0 m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p. \u0110i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a Fahrenheit l\u00e0 \u0111\u1ecbnh ngh\u0129a c\u00e1c m\u1ed1c nhi\u1ec7t \u0111\u1ed9 quen thu\u1ed9c: 32\u00b0F t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u0111i\u1ec3m \u0111\u00f3ng b\u0103ng c\u1ee7a n\u01b0\u1edbc, c\u00f2n 212\u00b0F l\u00e0 \u0111i\u1ec3m s\u00f4i.<\/p>\n<p style=\"text-align: center;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-511753 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-2.jpg\" alt=\"1-do-f-bang-bao-nhieu-do-c-cach-doi-do-f-sang-do-c-tren-may-lanh-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>S\u1eed d\u1ee5ng \u0111\u1ed9 F gi\u00fap ng\u01b0\u1eddi d\u00f9ng quen v\u1edbi chu\u1ea9n nhi\u1ec7t \u0111\u1ed9 ph\u1ed5 bi\u1ebfn t\u1ea1i th\u1ecb tr\u01b0\u1eddng M\u1ef9 v\u00e0 d\u1ec5 d\u00e0ng so s\u00e1nh c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, m\u00e1y l\u1ea1nh v\u1edbi h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt g\u1ed1c. Vi\u1ec7c hi\u1ec3u v\u1ec1 \u0111\u1ed9 F kh\u00f4ng ch\u1ec9 h\u1eefu \u00edch khi c\u00e0i \u0111\u1eb7t thi\u1ebft b\u1ecb m\u00e0 c\u00f2n h\u1ed7 tr\u1ee3 trong c\u00e1c c\u00f4ng vi\u1ec7c k\u1ef9 thu\u1eadt, nghi\u00ean c\u1ee9u ho\u1eb7c khi du l\u1ecbch \u0111\u1ebfn c\u00e1c qu\u1ed1c gia s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng n\u00e0y.<\/p>\n<p>Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n bi\u1ebft c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C \u0111\u1ec3 d\u1ec5 d\u00e0ng \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p v\u1edbi th\u00f3i quen s\u1eed d\u1ee5ng t\u1ea1i Vi\u1ec7t Nam ho\u1eb7c c\u00e1c n\u01b0\u1edbc d\u00f9ng h\u1ec7 \u0111\u1ed9 C. V\u00ed d\u1ee5, m\u00e1y l\u1ea1nh nh\u1eadp kh\u1ea9u t\u1eeb M\u1ef9 th\u01b0\u1eddng hi\u1ec3n th\u1ecb nhi\u1ec7t \u0111\u1ed9 b\u1eb1ng \u0111\u1ed9 F, n\u00ean n\u1eafm c\u00e1ch chuy\u1ec3n \u0111\u1ed5i s\u1ebd gi\u00fap b\u1ea1n thi\u1ebft l\u1eadp nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng chu\u1ea9n x\u00e1c, \u0111\u1ea3m b\u1ea3o v\u1eeba tho\u1ea3i m\u00e1i v\u1eeba ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng.<\/p>\n<h2 data-start=\"747\" data-end=\"765\"><strong data-start=\"750\" data-end=\"765\">\u0110\u1ed9 C l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>\u0110\u1ed9 C hay \u0111\u1ed9 Celsius l\u00e0 \u0111\u01a1n v\u1ecb \u0111o nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c \u0111\u1eb7t theo nh\u00e0 thi\u00ean v\u0103n ng\u01b0\u1eddi Th\u1ee5y \u0110i\u1ec3n Anders Celsius. \u0110\u00e2y l\u00e0 chu\u1ea9n qu\u1ed1c t\u1ebf SI, ph\u1ed5 bi\u1ebfn \u1edf h\u1ea7u h\u1ebft c\u00e1c qu\u1ed1c gia, trong \u0111\u00f3 c\u00f3 Vi\u1ec7t Nam. Trong h\u1ec7 \u0111\u1ed9 C, 0\u00b0C l\u00e0 \u0111i\u1ec3m \u0111\u00f3ng b\u0103ng c\u1ee7a n\u01b0\u1edbc v\u00e0 100\u00b0C l\u00e0 \u0111i\u1ec3m s\u00f4i \u1edf \u00e1p su\u1ea5t ti\u00eau chu\u1ea9n. So v\u1edbi \u0111\u1ed9 F, \u0111\u1ed9 C d\u1ec5 h\u00ecnh dung v\u00e0 thu\u1eadn ti\u1ec7n khi t\u00ednh to\u00e1n, v\u00ec c\u00e1c kho\u1ea3ng c\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c chia th\u00e0nh 100 ph\u1ea7n gi\u1eefa \u0111i\u1ec3m \u0111\u00f3ng b\u0103ng v\u00e0 s\u00f4i c\u1ee7a n\u01b0\u1edbc.<\/p>\n<p style=\"text-align: center;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-4.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-4-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-4-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"alignnone size-full wp-image-511755 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-4.jpg\" alt=\"1-do-f-bang-bao-nhieu-do-c-cach-doi-do-f-sang-do-c-tren-may-lanh-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>Hi\u1ec3u v\u1ec1 \u0111\u1ed9 C v\u00e0 c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng thi\u1ebft l\u1eadp c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, t\u1eeb m\u00e1y l\u1ea1nh, l\u00f2 vi s\u00f3ng, \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111o nhi\u1ec7t kh\u00e1c. Trong \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y, \u0111\u1ed9 C \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3, th\u1eddi ti\u1ebft, ho\u1eb7c c\u00e0i \u0111\u1eb7t m\u00e1y l\u1ea1nh sao cho ph\u00f2ng lu\u00f4n m\u00e1t, d\u1ec5 ch\u1ecbu m\u00e0 v\u1eabn ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. Vi\u1ec7c n\u1eafm v\u1eefng m\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u1ed9 F v\u00e0 \u0111\u1ed9 C gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb nh\u1eadp kh\u1ea9u ch\u00ednh x\u00e1c, tr\u00e1nh nh\u1ea7m l\u1eabn khi \u0111\u1ecdc c\u00e1c th\u00f4ng s\u1ed1 nhi\u1ec7t \u0111\u1ed9.<\/p>\n<h2 data-start=\"1170\" data-end=\"1204\"><strong data-start=\"1173\" data-end=\"1204\">1 \u0111\u1ed9 F b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 C?<\/strong><\/h2>\n<p data-start=\"1206\" data-end=\"1280\">\u0110\u1ec3 bi\u1ebft c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C, ta c\u1ea7n hi\u1ec3u 1 \u0111\u1ed9 F b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 C. Tr\u01b0\u1edbc h\u1ebft c\u1ea7n n\u1eafm c\u00f4ng th\u1ee9c chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai h\u1ec7 n\u00e0y. C\u00f4ng th\u1ee9c chu\u1ea9n l\u00e0:<\/p>\n<p style=\"text-align: center;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"alignnone size-full wp-image-511752 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-1.jpg\" alt=\"1-do-f-bang-bao-nhieu-do-c-cach-doi-do-f-sang-do-c-tren-may-lanh-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p data-start=\"552\" data-end=\"800\">Nh\u01b0 v\u1eady, <strong data-start=\"561\" data-end=\"585\">1 \u0111\u1ed9 F \u2248 -17,22 \u0111\u1ed9 C<\/strong>. \u0110\u00e2y l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb \u00e2m, cho th\u1ea5y \u0111\u1ed9 F th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi \u0111\u1ed9 C. C\u00e1ch t\u00ednh n\u00e0y \u00e1p d\u1ee5ng cho m\u1ecdi m\u1ee9c nhi\u1ec7t \u0111\u1ed9, t\u1eeb \u0111i\u1ec1u ch\u1ec9nh m\u00e1y l\u1ea1nh, nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc cho \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng trong k\u1ef9 thu\u1eadt v\u00e0 khoa h\u1ecdc.<\/p>\n<p data-start=\"802\" data-end=\"1058\">Ng\u01b0\u1eddi d\u00f9ng m\u00e1y l\u1ea1nh th\u01b0\u1eddng th\u1ea5y th\u00f4ng s\u1ed1 nhi\u1ec7t \u0111\u1ed9 hi\u1ec3n th\u1ecb b\u1eb1ng \u0111\u1ed9 F, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m nh\u1eadp kh\u1ea9u t\u1eeb M\u1ef9. Vi\u1ec7c n\u1eafm r\u00f5 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i n\u00e0y gi\u00fap b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng ch\u00ednh x\u00e1c theo nhu c\u1ea7u, \u0111\u1ea3m b\u1ea3o v\u1eeba tho\u1ea3i m\u00e1i v\u1eeba ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng. Ngo\u00e0i ra, n\u1ebfu th\u01b0\u1eddng xuy\u00ean c\u1ea7n tra \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn ho\u1eb7c \u1ee9ng d\u1ee5ng tr\u00ean \u0111i\u1ec7n tho\u1ea1i, nh\u1eadp \u0111\u1ed9 F v\u00e0 nh\u1eadn k\u1ebft qu\u1ea3 ngay l\u1eadp t\u1ee9c b\u1eb1ng \u0111\u1ed9 C, c\u1ef1c k\u1ef3 ti\u1ec7n l\u1ee3i, nh\u1ea5t l\u00e0 trong m\u00f9a h\u00e8 oi b\u1ee9c ho\u1eb7c khi s\u1eed d\u1ee5ng \u0111i\u1ec1u h\u00f2a th\u00f4ng minh. Hi\u1ec3u r\u00f5 1 \u0111\u1ed9 F b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 C l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 s\u1eed d\u1ee5ng m\u00e1y l\u1ea1nh hi\u1ec7u qu\u1ea3, an to\u00e0n v\u00e0 h\u1ee3p l\u00fd.<\/p>\n<h2 data-start=\"1557\" data-end=\"1619\"><strong data-start=\"1560\" data-end=\"1619\">C\u00e1ch chuy\u1ec3n \u0111\u1ed5i qua l\u1ea1i gi\u1eefa \u0111\u1ed9 F v\u00e0 \u0111\u1ed9 C tr\u00ean m\u00e1y l\u1ea1nh<\/strong><\/h2>\n<p data-start=\"1621\" data-end=\"1749\">Tr\u00ean nhi\u1ec1u m\u00e1y l\u1ea1nh hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c d\u00f2ng m\u00e1y nh\u1eadp kh\u1ea9u t\u1eeb M\u1ef9 ho\u1eb7c ch\u00e2u \u00c2u, \u0111\u01a1n v\u1ecb hi\u1ec3n th\u1ecb nhi\u1ec7t \u0111\u1ed9 m\u1eb7c \u0111\u1ecbnh c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ed9 Fahrenheit (\u00b0F). Tuy nhi\u00ean, ng\u01b0\u1eddi d\u00f9ng Vi\u1ec7t Nam th\u01b0\u1eddng quen s\u1eed d\u1ee5ng \u0111\u1ed9 Celsius (\u00b0C). Vi\u1ec7c n\u1eafm r\u00f5 c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C tr\u00ean m\u00e1y l\u1ea1nh s\u1ebd gi\u00fap b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c, ti\u1ebft ki\u1ec7m \u0111i\u1ec7n v\u00e0 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe. \u0110\u1ec3 ti\u1ec7n l\u1ee3i khi s\u1eed d\u1ee5ng m\u00e1y l\u1ea1nh, b\u1ea1n c\u1ea7n bi\u1ebft c\u00e1ch chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 hi\u1ec3n th\u1ecb. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng minh h\u1ecda chuy\u1ec3n \u0111\u1ed5i ph\u1ed5 bi\u1ebfn:<\/p>\n<div class=\"_tableContainer_1rjym_1\">\n<div class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1751\" data-end=\"2293\">\n<thead data-start=\"1751\" data-end=\"1796\">\n<tr data-start=\"1751\" data-end=\"1796\">\n<th data-start=\"1751\" data-end=\"1767\" data-col-size=\"sm\">Nhi\u1ec7t \u0111\u1ed9 (\u00b0F)<\/th>\n<th data-start=\"1767\" data-end=\"1796\" data-col-size=\"sm\">Nhi\u1ec7t \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng (\u00b0C)<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1843\" data-end=\"2293\">\n<tr data-start=\"1843\" data-end=\"1887\">\n<td data-start=\"1843\" data-end=\"1859\" data-col-size=\"sm\">60\u00b0F<\/td>\n<td data-col-size=\"sm\" data-start=\"1859\" data-end=\"1887\">15,56\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"1888\" data-end=\"1932\">\n<td data-start=\"1888\" data-end=\"1904\" data-col-size=\"sm\">65\u00b0F<\/td>\n<td data-col-size=\"sm\" data-start=\"1904\" data-end=\"1932\">18,33\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"1933\" data-end=\"1978\">\n<td data-start=\"1933\" data-end=\"1949\" data-col-size=\"sm\">68\u00b0F<\/td>\n<td data-col-size=\"sm\" data-start=\"1949\" data-end=\"1978\">20\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"1979\" data-end=\"2023\">\n<td data-start=\"1979\" data-end=\"1995\" data-col-size=\"sm\">70\u00b0F<\/td>\n<td data-start=\"1995\" data-end=\"2023\" data-col-size=\"sm\">21,11\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"2024\" data-end=\"2068\">\n<td data-start=\"2024\" data-end=\"2040\" data-col-size=\"sm\">72\u00b0F<\/td>\n<td data-col-size=\"sm\" data-start=\"2040\" data-end=\"2068\">22,22\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"2069\" data-end=\"2113\">\n<td data-start=\"2069\" data-end=\"2085\" data-col-size=\"sm\">75\u00b0F<\/td>\n<td data-col-size=\"sm\" data-start=\"2085\" data-end=\"2113\">23,89\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"2114\" data-end=\"2158\">\n<td data-start=\"2114\" data-end=\"2130\" data-col-size=\"sm\">78\u00b0F<\/td>\n<td data-col-size=\"sm\" data-start=\"2130\" data-end=\"2158\">25,56\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"2159\" data-end=\"2203\">\n<td data-start=\"2159\" data-end=\"2175\" data-col-size=\"sm\">80\u00b0F<\/td>\n<td data-col-size=\"sm\" data-start=\"2175\" data-end=\"2203\">26,67\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"2204\" data-end=\"2248\">\n<td data-start=\"2204\" data-end=\"2220\" data-col-size=\"sm\">85\u00b0F<\/td>\n<td data-col-size=\"sm\" data-start=\"2220\" data-end=\"2248\">29,44\u00b0C<\/td>\n<\/tr>\n<tr data-start=\"2249\" data-end=\"2293\">\n<td data-start=\"2249\" data-end=\"2265\" data-col-size=\"sm\">90\u00b0F<\/td>\n<td data-col-size=\"sm\" data-start=\"2265\" data-end=\"2293\">32,22\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"2295\" data-end=\"2470\">Ngo\u00e0i c\u00e1ch tra b\u1ea3ng, m\u1ed9t s\u1ed1 m\u00e1y l\u1ea1nh hi\u1ec7n \u0111\u1ea1i cho ph\u00e9p thay \u0111\u1ed5i tr\u1ef1c ti\u1ebfp ch\u1ebf \u0111\u1ed9 hi\u1ec3n th\u1ecb \u00b0F sang \u00b0C b\u1eb1ng n\u00fat <strong data-start=\"2409\" data-end=\"2428\">Mode \/ Settings<\/strong> ho\u1eb7c th\u00f4ng qua \u1ee9ng d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa.<\/p>\n<p style=\"text-align: center;\" data-start=\"2295\" data-end=\"2470\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-3.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-3-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-3-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-511754 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-3.jpg\" alt=\"1-do-f-bang-bao-nhieu-do-c-cach-doi-do-f-sang-do-c-tren-may-lanh-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p data-start=\"2110\" data-end=\"2155\"><em><strong data-start=\"2114\" data-end=\"2155\">L\u01b0u \u00fd khi chuy\u1ec3n \u0111\u1ed5i tr\u00ean m\u00e1y l\u1ea1nh:<\/strong><\/em><\/p>\n<ul data-start=\"2157\" data-end=\"2511\">\n<li data-start=\"2157\" data-end=\"2265\">\n<p data-start=\"2159\" data-end=\"2265\">Kh\u00f4ng \u0111\u1ed5i \u0111\u01a1n v\u1ecb khi m\u00e1y \u0111ang v\u1eadn h\u00e0nh \u1edf ch\u1ebf \u0111\u1ed9 s\u01b0\u1edfi ho\u1eb7c l\u00e0m l\u1ea1nh c\u1ef1c m\u1ea1nh \u0111\u1ec3 tr\u00e1nh tr\u1ee5c tr\u1eb7c hi\u1ec3n th\u1ecb.<\/p>\n<\/li>\n<li data-start=\"2266\" data-end=\"2379\">\n<p data-start=\"2268\" data-end=\"2379\">Sau khi chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb, n\u00ean ki\u1ec3m tra l\u1ea1i nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng b\u1eb1ng nhi\u1ec7t k\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u00fang v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng.<\/p>\n<\/li>\n<li data-start=\"2380\" data-end=\"2511\">\n<p data-start=\"2382\" data-end=\"2511\">Ghi nh\u1edb nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng: 25\u201327\u00b0C (77\u201380\u00b0F) cho m\u00f9a h\u00e8 v\u00e0 20\u201322\u00b0C (68\u201372\u00b0F) cho m\u00f9a \u0111\u00f4ng, \u0111\u1ea3m b\u1ea3o ti\u1ebft ki\u1ec7m \u0111i\u1ec7n v\u00e0 tho\u1ea3i m\u00e1i.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2477\" data-end=\"2526\"><strong data-start=\"2480\" data-end=\"2526\">M\u1ed9t s\u1ed1 \u0111\u1ea1i l\u01b0\u1ee3ng \u0111o nhi\u1ec7t \u0111\u1ed9 ph\u1ed5 bi\u1ebfn kh\u00e1c<\/strong><\/h2>\n<p data-start=\"2528\" data-end=\"2595\">Ngo\u00e0i \u0111\u1ed9 Fahrenheit v\u00e0 \u0111\u1ed9 Celsius, c\u00f2n c\u00f3 c\u00e1c \u0111\u01a1n v\u1ecb \u0111o nhi\u1ec7t kh\u00e1c. Hi\u1ec3u c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng \u0111o nhi\u1ec7t gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng \u0111\u1ecdc c\u00e1c thi\u1ebft b\u1ecb, tra c\u1ee9u th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ho\u1eb7c chuy\u1ec3n \u0111\u1ed5i khi s\u1eed d\u1ee5ng m\u00e1y l\u1ea1nh nh\u1eadp kh\u1ea9u.<\/p>\n<h3 data-start=\"242\" data-end=\"297\"><strong data-start=\"246\" data-end=\"297\">Kelvin (K) chu\u1ea9n trong khoa h\u1ecdc v\u00e0 nghi\u00ean c\u1ee9u<\/strong><\/h3>\n<p data-start=\"299\" data-end=\"765\">Kelvin (K) l\u00e0 \u0111\u01a1n v\u1ecb \u0111o nhi\u1ec7t \u0111\u1ed9 chu\u1ea9n qu\u1ed1c t\u1ebf (SI), \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong khoa h\u1ecdc, k\u1ef9 thu\u1eadt v\u00e0 nghi\u00ean c\u1ee9u. \u0110i\u1ec3m \u0111\u1eb7c bi\u1ec7t c\u1ee7a Kelvin l\u00e0 n\u00f3 b\u1eaft \u0111\u1ea7u t\u1eeb 0 tuy\u1ec7t \u0111\u1ed1i, t\u1ee9c -273,15\u00b0C, n\u01a1i m\u00e0 t\u1ea5t c\u1ea3 chuy\u1ec3n \u0111\u1ed9ng ph\u00e2n t\u1eed g\u1ea7n nh\u01b0 ng\u1eebng ho\u00e0n to\u00e0n. Kh\u00f4ng gi\u1ed1ng nh\u01b0 Celsius hay Fahrenheit, Kelvin kh\u00f4ng d\u00f9ng \u0111\u01a1n v\u1ecb \u201c\u0111\u1ed9\u201d m\u00e0 tr\u1ef1c ti\u1ebfp \u0111o nhi\u1ec7t \u0111\u1ed9 tuy\u1ec7t \u0111\u1ed1i, gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc d\u1ec5 d\u00e0ng t\u00ednh to\u00e1n v\u00e0 so s\u00e1nh d\u1eef li\u1ec7u trong v\u1eadt l\u00fd, h\u00f3a h\u1ecdc, n\u0103ng l\u01b0\u1ee3ng ho\u1eb7c c\u00e1c ng\u00e0nh k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c.<\/p>\n<p data-start=\"2528\" data-end=\"2595\"><strong><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\">K=\u00b0C+273,15<\/span><\/span><\/span><\/strong><\/p>\n<p style=\"text-align: center;\" data-start=\"2528\" data-end=\"2595\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-6.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-6-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-6-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-511757 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-6.jpg\" alt=\"1-do-f-bang-bao-nhieu-do-c-cach-doi-do-f-sang-do-c-tren-may-lanh-6\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p data-start=\"790\" data-end=\"934\">Trong th\u1ef1c t\u1ebf, Kelvin th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong c\u00e1c c\u00f4ng th\u1ee9c t\u00ednh nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc, v\u1eadt l\u00fd l\u01b0\u1ee3ng t\u1eed, nghi\u00ean c\u1ee9u nhi\u1ec7t \u0111\u1ed9 trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 \u0111o nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng c\u1ef1c \u0111oan. Khi ng\u01b0\u1eddi d\u00f9ng g\u1eb7p th\u00f4ng s\u1ed1 nhi\u1ec7t \u0111\u1ed9 hi\u1ec3n th\u1ecb b\u1eb1ng Kelvin tr\u00ean thi\u1ebft b\u1ecb khoa h\u1ecdc, m\u00e1y l\u1ea1nh th\u1eed nghi\u1ec7m, c\u1ea3m bi\u1ebfn k\u1ef9 thu\u1eadt ho\u1eb7c t\u00e0i li\u1ec7u nghi\u00ean c\u1ee9u, h\u1ecd c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n nhi\u1ec7t \u0111\u1ed9 n\u00e0y trong h\u1ec7 \u0111o quen thu\u1ed9c, t\u1eeb Celsius ho\u1eb7c Fahrenheit sang Kelvin v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ea3m b\u1ea3o \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c.<\/p>\n<h3 data-start=\"941\" data-end=\"986\"><strong data-start=\"945\" data-end=\"986\">Rankine (\u00b0R) d\u00f9ng trong k\u1ef9 thu\u1eadt M\u1ef9<\/strong><\/h3>\n<p>\u0110\u1ed9 Rankine (\u00b0R) l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb nhi\u1ec7t \u0111\u1ed9 \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n, nh\u01b0ng v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh k\u1ef9 thu\u1eadt, c\u01a1 kh\u00ed v\u00e0 c\u00f4ng nghi\u1ec7p t\u1ea1i M\u1ef9. \u0110i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ee7a Rankine l\u00e0 n\u00f3 t\u01b0\u01a1ng t\u1ef1 Kelvin nh\u01b0ng t\u00ednh b\u1eb1ng Fahrenheit: 0\u00b0R t\u01b0\u01a1ng \u1ee9ng v\u1edbi tuy\u1ec7t \u0111\u1ed1i 0\u00b0F, c\u00f2n 491,67\u00b0R t\u01b0\u01a1ng \u1ee9ng v\u1edbi \u0111i\u1ec3m s\u00f4i c\u1ee7a n\u01b0\u1edbc. C\u00e1c k\u1ef9 s\u01b0 ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng m\u00e1y m\u00f3c nh\u1eadp kh\u1ea9u t\u1eeb M\u1ef9 th\u01b0\u1eddng g\u1eb7p Rankine trong c\u00e1c bi\u1ec3u \u0111\u1ed3, t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt ho\u1eb7c m\u00e1y m\u00f3c \u0111o nhi\u1ec7t \u0111\u1ed9 chuy\u00ean d\u1ee5ng.<\/p>\n<p style=\"text-align: center;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-7.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-7-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-7-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-511758 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-7.jpg\" alt=\"1-do-f-bang-bao-nhieu-do-c-cach-doi-do-f-sang-do-c-tren-may-lanh-7\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-7.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-7-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-7-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>Vi\u1ec7c hi\u1ec3u v\u1ec1 \u0111\u1ed9 Rankine gi\u00fap ng\u01b0\u1eddi d\u00f9ng t\u00ednh to\u00e1n ch\u00ednh x\u00e1c nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, thi\u1ebft l\u1eadp m\u00e1y m\u00f3c ho\u1eb7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt. Khi c\u1ea7n, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C \u0111\u1ec3 chuy\u1ec3n nhi\u1ec7t \u0111\u1ed9 t\u1eeb Rankine sang Fahrenheit tr\u01b0\u1edbc, sau \u0111\u00f3 sang Celsius, t\u1eeb \u0111\u00f3 s\u1eed d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y ho\u1eb7c m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c quen thu\u1ed9c m\u00e0 kh\u00f4ng g\u00e2y nh\u1ea7m l\u1eabn.<\/p>\n<h3 data-start=\"1482\" data-end=\"1532\"><strong data-start=\"1486\" data-end=\"1532\">\u0110\u1ed9 R\u00e9aumur (\u00b0Re) l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb truy\u1ec1n th\u1ed1ng<\/strong><\/h3>\n<p>\u0110\u1ed9 R\u00e9aumur t\u1eebng l\u00e0 \u0111\u01a1n v\u1ecb \u0111o nhi\u1ec7t \u0111\u1ed9 ph\u1ed5 bi\u1ebfn \u1edf ch\u00e2u \u00c2u tr\u01b0\u1edbc khi \u0111\u1ed9 Celsius tr\u1edf th\u00e0nh chu\u1ea9n qu\u1ed1c t\u1ebf. Trong h\u1ec7 R\u00e9aumur, n\u01b0\u1edbc \u0111\u00f3ng b\u0103ng \u1edf 0\u00b0Re v\u00e0 s\u00f4i \u1edf 80\u00b0Re. M\u1eb7c d\u00f9 hi\u1ec7n nay \u00edt \u0111\u01b0\u1ee3c d\u00f9ng trong \u0111\u1eddi s\u1ed1ng, \u0111\u01a1n v\u1ecb n\u00e0y v\u1eabn xu\u1ea5t hi\u1ec7n trong m\u1ed9t s\u1ed1 s\u00e1ch n\u1ea5u \u0103n c\u1ed5 \u0111i\u1ec3n, t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u0169 ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb \u0111o nhi\u1ec7t c\u1ee7a ch\u00e2u \u00c2u.<\/p>\n<p style=\"text-align: center;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-8.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-8-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-8-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-511759 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-8.jpg\" alt=\"1-do-f-bang-bao-nhieu-do-c-cach-doi-do-f-sang-do-c-tren-may-lanh-8\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>Bi\u1ebft v\u1ec1 \u0111\u1ed9 R\u00e9aumur gi\u00fap ng\u01b0\u1eddi d\u00f9ng \u0111\u1ecdc v\u00e0 hi\u1ec3u \u0111\u00fang c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c t\u00ednh nhi\u1ec7t \u0111\u1ed9 m\u00e0 kh\u00f4ng nh\u1ea7m l\u1eabn v\u1edbi Celsius hay Fahrenheit. Khi g\u1eb7p c\u00e1c thi\u1ebft b\u1ecb ho\u1eb7c t\u00e0i li\u1ec7u s\u1eed d\u1ee5ng \u00b0Re, b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C: \u0111\u1ea7u ti\u00ean \u0111\u1ed5i sang Fahrenheit n\u1ebfu c\u1ea7n, r\u1ed3i sang Celsius \u0111\u1ec3 d\u1ec5 \u00e1p d\u1ee5ng trong sinh ho\u1ea1t, n\u1ea5u n\u01b0\u1edbng ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh m\u00e1y l\u1ea1nh, l\u00f2 n\u01b0\u1edbng, n\u1ed3i h\u01a1i hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h3 data-start=\"2026\" data-end=\"2086\"><strong data-start=\"2030\" data-end=\"2086\">Celsius (\u00b0C) v\u00e0 Fahrenheit (\u00b0F) \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/strong><\/h3>\n<p data-start=\"2088\" data-end=\"2621\">Ngo\u00e0i c\u00e1c \u0111\u01a1n v\u1ecb chuy\u00ean ng\u00e0nh, \u0111\u1ed9 Celsius v\u00e0 \u0111\u1ed9 Fahrenheit v\u1eabn l\u00e0 hai chu\u1ea9n ph\u1ed5 bi\u1ebfn nh\u1ea5t trong \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y. Khi b\u1ea1n bi\u1ebft c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C, vi\u1ec7c \u0111\u1ecdc nhi\u1ec7t \u0111\u1ed9 m\u00e1y l\u1ea1nh, \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, n\u1ea5u n\u01b0\u1edbng hay theo d\u00f5i th\u1eddi ti\u1ebft tr\u1edf n\u00ean ch\u00ednh x\u00e1c v\u00e0 d\u1ec5 d\u00e0ng h\u01a1n. \u0110\u1ed9 C \u0111\u01b0\u1ee3c d\u00f9ng ch\u1ee7 y\u1ebfu t\u1ea1i Vi\u1ec7t Nam v\u00e0 ch\u00e2u \u00c2u, trong khi \u0111\u1ed9 F ph\u1ed5 bi\u1ebfn \u1edf M\u1ef9. N\u1eafm v\u1eefng m\u1ed1i quan h\u1ec7 gi\u1eefa hai \u0111\u01a1n v\u1ecb n\u00e0y s\u1ebd gi\u00fap ng\u01b0\u1eddi d\u00f9ng t\u1ed1i \u01b0u h\u00f3a tr\u1ea3i nghi\u1ec7m s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb gia d\u1ee5ng, t\u1eeb m\u00e1y l\u1ea1nh, l\u00f2 vi s\u00f3ng, \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111o nhi\u1ec7t chuy\u00ean d\u1ee5ng.<\/p>\n<p style=\"text-align: center;\" data-start=\"2088\" data-end=\"2621\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-5.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-5-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-5-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-511756 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-5.jpg\" alt=\"1-do-f-bang-bao-nhieu-do-c-cach-doi-do-f-sang-do-c-tren-may-lanh-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/12\/cach-doi-do-f-sang-do-c-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2 data-start=\"3007\" data-end=\"3022\"><strong data-start=\"3011\" data-end=\"3022\">T\u1ea1m k\u1ebft<\/strong><\/h2>\n<p data-start=\"3024\" data-end=\"3552\">Vi\u1ec7c n\u1eafm r\u00f5 1 \u0111\u1ed9 F b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 C v\u00e0 c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C gi\u00fap b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 m\u00e1y l\u1ea1nh ch\u00ednh x\u00e1c, ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng, \u0111\u1ea3m b\u1ea3o ti\u1ebft ki\u1ec7m \u0111i\u1ec7n v\u00e0 tho\u1ea3i m\u00e1i. Khi g\u1eb7p m\u00e1y l\u1ea1nh hi\u1ec3n th\u1ecb Fahrenheit, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 chuy\u1ec3n sang \u0111\u1ed9 C nhanh ch\u00f3ng ho\u1eb7c tra b\u1ea3ng tham kh\u1ea3o. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm mua m\u00e1y l\u1ea1nh ho\u1eb7c c\u1ea7n t\u01b0 v\u1ea5n thi\u1ebft b\u1ecb l\u00e0m m\u00e1t ph\u00f9 h\u1ee3p cho kh\u00f4ng gian s\u1ed1ng, Ho\u00e0ng H\u00e0 Mobile s\u1eb5n s\u00e0ng cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m uy t\u00edn v\u00e0 gi\u1ea3i ph\u00e1p chuy\u00ean nghi\u1ec7p, \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m \u0111i\u1ec1u h\u00f2a l\u00fd t\u01b0\u1edfng cho gia \u0111\u00ecnh.<\/p>\n<p data-start=\"3024\" data-end=\"3552\"><em><strong>XEM TH\u00caM:<\/strong><\/em><\/p>\n<ul>\n<li data-start=\"3024\" data-end=\"3552\"><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/dong-ho-thong-minh-cho-be\/\">TOP 10 \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh cho b\u00e9 c\u00f3 \u0111\u1ecbnh v\u1ecb t\u1ed1t nh\u1ea5t hi\u1ec7n nay<\/a><\/strong><\/li>\n<li data-start=\"3024\" data-end=\"3552\"><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/smeg\/\">Smeg l\u00e0 th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a n\u01b0\u1edbc n\u00e0o? C\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m ch\u00ednh c\u1ee7a Smeg<\/a><\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n \u0111\u00e3 t\u1eebng nh\u00ecn th\u1ea5y m\u00e1y l\u1ea1nh hi\u1ec3n th\u1ecb nhi\u1ec7t \u0111\u1ed9 b\u1eb1ng \u0111\u1ed9 F v\u00e0 t\u1ef1 h\u1ecfi kh\u00f4ng bi\u1ebft c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C nh\u01b0 th\u1ebf n\u00e0o ch\u01b0a? Vi\u1ec7c hi\u1ec3u r\u00f5 m\u1ed1i quan h\u1ec7 gi\u1eefa Fahrenheit v\u00e0 Celsius kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh m\u00e1y l\u1ea1nh ch\u00ednh x\u00e1c m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o nhi\u1ec7t [&hellip;]<\/p>\n","protected":false},"author":75,"featured_media":511760,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29235,3910],"tags":[],"class_list":["post-510858","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>1 \u0111\u1ed9 F b\u1eb1ng m\u1ea5y \u0111\u1ed9 C? 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