{"id":7642,"date":"2025-11-28T16:20:15","date_gmt":"2025-11-28T16:20:15","guid":{"rendered":"https:\/\/toolsmate.online\/?p=7642"},"modified":"2025-11-28T16:27:32","modified_gmt":"2025-11-28T16:27:32","slug":"how-to-convert-pixels-to-rem-em-and-percent-easily","status":"publish","type":"post","link":"https:\/\/toolsmate.online\/vi\/how-to-convert-pixels-to-rem-em-and-percent-easily\/","title":{"rendered":"C\u00e1ch chuy\u1ec3n \u0111\u1ed5i pixel sang REM, EM v\u00e0 ph\u1ea7n tr\u0103m m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng"},"content":{"rendered":"<style>.kadence-column7642_ed31ac-31 > .kt-inside-inner-col,.kadence-column7642_ed31ac-31 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column7642_ed31ac-31 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column7642_ed31ac-31 > .kt-inside-inner-col{flex-direction:column;}.kadence-column7642_ed31ac-31 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column7642_ed31ac-31 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column7642_ed31ac-31, .kadence-column7642_ed31ac-31 h1, .kadence-column7642_ed31ac-31 h2, .kadence-column7642_ed31ac-31 h3, .kadence-column7642_ed31ac-31 h4, .kadence-column7642_ed31ac-31 h5, .kadence-column7642_ed31ac-31 h6{color:var(--global-palette9, #ffffff);}.kadence-column7642_ed31ac-31 a{color:var(--global-palette2, #2B6CB0);}.kadence-column7642_ed31ac-31{position:relative;}@media all and (max-width: 1024px){.kadence-column7642_ed31ac-31 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column7642_ed31ac-31 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column7642_ed31ac-31\"><div class=\"kt-inside-inner-col\">\n<h3 class=\"wp-block-heading\"><strong>Gi\u1edbi thi\u1ec7u<\/strong><\/h3>\n\n\n\n<p>Trong thi\u1ebft k\u1ebf web, vi\u1ec7c hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng \u0111\u00fang \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 t\u1ea1o ra c\u00e1c b\u1ed1 c\u1ee5c \u0111\u00e1p \u1ee9ng v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. C\u00e1c \u0111\u01a1n v\u1ecb pixel (PX), REM, EM v\u00e0 ph\u1ea7n tr\u0103m (%) th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef, kho\u1ea3ng c\u00e1ch v\u00e0 k\u00edch th\u01b0\u1edbc th\u00e0nh ph\u1ea7n. Vi\u1ec7c ch\u1ecdn \u0111\u00fang \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng s\u1ebd \u0111\u1ea3m b\u1ea3o trang web c\u1ee7a b\u1ea1n tr\u00f4ng nh\u1ea5t qu\u00e1n tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p>V\u1edbi <strong>C\u00f4ng c\u1ee5 Mate<\/strong>, Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c \u0111\u01a1n v\u1ecb n\u00e0y r\u1ea5t nhanh ch\u00f3ng, ch\u00ednh x\u00e1c v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n m\u1ecdi th\u1ee9 b\u1ea1n c\u1ea7n bi\u1ebft.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u0110\u01a1n v\u1ecb PX, REM, EM v\u00e0 % l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110i\u1ec3m \u1ea3nh (PX):<\/strong> \u0110\u01a1n v\u1ecb chu\u1ea9n cho m\u00e0n h\u00ecnh k\u1ef9 thu\u1eadt s\u1ed1, bi\u1ec3u th\u1ecb m\u1ed9t ch\u1ea5m duy nh\u1ea5t tr\u00ean m\u00e0n h\u00ecnh. L\u00fd t\u01b0\u1edfng cho c\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1 \u0111\u1ecbnh.<\/li>\n\n\n\n<li><strong>NH\u1eacN TH\u1ee8C:<\/strong> Vi\u1ebft t\u1eaft c\u1ee7a &quot;root em&quot;, t\u01b0\u01a1ng \u1ee9ng v\u1edbi k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef g\u1ed1c c\u1ee7a trang web. S\u1eed d\u1ee5ng REM \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng truy c\u1eadp t\u1ed1t h\u01a1n.<\/li>\n\n\n\n<li><strong>EM:<\/strong> So v\u1edbi k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u1ee7a ph\u1ea7n t\u1eed cha. H\u1eefu \u00edch cho c\u00e1c ph\u1ea7n t\u1eed l\u1ed3ng nhau nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f3 t\u00ednh to\u00e1n th\u1ee7 c\u00f4ng.<\/li>\n\n\n\n<li><strong>Ph\u1ea7n tr\u0103m (%):<\/strong> So v\u1edbi k\u00edch th\u01b0\u1edbc c\u1ee7a v\u00f9ng ch\u1ee9a ch\u00ednh. C\u1ea7n thi\u1ebft cho b\u1ed1 c\u1ee5c \u0111\u00e1p \u1ee9ng.<\/li>\n<\/ul>\n\n\n\n<p>S\u1eed d\u1ee5ng c\u00e1c \u0111\u01a1n v\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i nh\u01b0 REM, EM ho\u1eb7c % thay v\u00ec PX s\u1ebd c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i v\u00e0 tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Tools Mate \u0111\u01a1n gi\u1ea3n h\u00f3a chuy\u1ec3n \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o<\/strong><\/h3>\n\n\n\n<p>Vi\u1ec7c t\u00ednh to\u00e1n th\u1ee7 c\u00f4ng c\u00e1c gi\u00e1 tr\u1ecb REM, EM ho\u1eb7c % c\u00f3 th\u1ec3 r\u1ea5t nh\u00e0m ch\u00e1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed1 c\u1ee5c ph\u1ee9c t\u1ea1p. C\u00f4ng c\u1ee5 Mate cung c\u1ea5p <strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i PX sang REM, PX sang EM v\u00e0 PX sang % tr\u1ef1c tuy\u1ebfn<\/strong>, cho ph\u00e9p b\u1ea1n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nh\u1eadp gi\u00e1 tr\u1ecb PX v\u00e0 ngay l\u1eadp t\u1ee9c nh\u1eadn \u0111\u01b0\u1ee3c REM, EM ho\u1eb7c % t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/li>\n\n\n\n<li>\u0110i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u01a1 b\u1ea3n \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i ch\u00ednh x\u00e1c.<\/li>\n\n\n\n<li>Sao ch\u00e9p k\u1ebft qu\u1ea3 tr\u1ef1c ti\u1ebfp v\u00e0o m\u00e3 CSS c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<p><a>H\u00e3y th\u1eed b\u1ed9 chuy\u1ec3n \u0111\u1ed5i PX sang REM c\u1ee7a ch\u00fang t\u00f4i<\/a> \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>V\u00ed d\u1ee5 t\u1eebng b\u01b0\u1edbc<\/strong><\/h3>\n\n\n\n<p>Gi\u1ea3 s\u1eed k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef g\u1ed1c c\u1ee7a b\u1ea1n l\u00e0 <strong>16px<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>B\u1ea1n mu\u1ed1n chuy\u1ec3n \u0111\u1ed5i <strong>24px<\/strong> \u0111\u1ebfn REM.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng Tools Mate, nh\u1eadp 24 PX v\u00e0 c\u01a1 s\u1ed1 16 PX.<\/li>\n\n\n\n<li>C\u00f4ng c\u1ee5 n\u00e0y ngay l\u1eadp t\u1ee9c cung c\u1ea5p <strong>1,5 REM<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i PX sang EM ho\u1eb7c % trong v\u00e0i gi\u00e2y m\u00e0 kh\u00f4ng lo v\u1ec1 l\u1ed7i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang \u0111\u01a1n v\u1ecb trong thi\u1ebft k\u1ebf \u0111\u00e1p \u1ee9ng<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u00ednh nh\u1ea5t qu\u00e1n tr\u00ean c\u00e1c thi\u1ebft b\u1ecb:<\/strong> C\u00e1c \u0111\u01a1n v\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i c\u00f3 t\u1ef7 l\u1ec7 ch\u00ednh x\u00e1c tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng, m\u00e1y t\u00ednh b\u1ea3ng v\u00e0 m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n.<\/li>\n\n\n\n<li><strong>Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn:<\/strong> Ng\u01b0\u1eddi d\u00f9ng c\u00f3 c\u00e1c c\u00e0i \u0111\u1eb7t tr\u00ecnh duy\u1ec7t kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng b\u1ed1 c\u1ee5c.<\/li>\n\n\n\n<li><strong>Hi\u1ec7u qu\u1ea3:<\/strong> C\u00e1c nh\u00e0 thi\u1ebft k\u1ebf ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 tr\u00e1nh t\u00ednh to\u00e1n th\u1ee7 c\u00f4ng.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 b\u1ed1 c\u1ee5c \u0111\u00e1p \u1ee9ng, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 ki\u1ec3m tra <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Learn\/CSS\/Building_blocks\/Values_and_units\">H\u01b0\u1edbng d\u1eabn CSS c\u1ee7a Mozilla<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>K\u1ebft lu\u1eadn &amp; K\u00eau g\u1ecdi h\u00e0nh \u0111\u1ed9ng<\/strong><\/h3>\n\n\n\n<p>S\u1eed d\u1ee5ng PX, REM, EM v\u00e0 % m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho thi\u1ebft k\u1ebf web hi\u1ec7n \u0111\u1ea1i. <strong>C\u00f4ng c\u1ee5 Mate<\/strong> gi\u00fap vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i n\u00e0y nhanh ch\u00f3ng, ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<p>\u2705 <strong>B\u1eaft \u0111\u1ea7u chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb c\u1ee7a b\u1ea1n ngay h\u00f4m nay:<\/strong> <a href=\"https:\/\/toolsmate.online\/vi\/\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i PX sang REM, EM ho\u1eb7c %<\/a><\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u Trong thi\u1ebft k\u1ebf web, vi\u1ec7c hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng \u0111\u00fang \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 t\u1ea1o ra c\u00e1c b\u1ed1 c\u1ee5c \u0111\u00e1p \u1ee9ng v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. C\u00e1c \u0111\u01a1n v\u1ecb pixel (PX), REM, EM v\u00e0 ph\u1ea7n tr\u0103m (%) th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef, kho\u1ea3ng c\u00e1ch v\u00e0 k\u00edch th\u01b0\u1edbc th\u00e0nh ph\u1ea7n. Vi\u1ec7c ch\u1ecdn \u0111\u00fang \u0111\u01a1n v\u1ecb s\u1ebd \u0111\u1ea3m b\u1ea3o trang web c\u1ee7a b\u1ea1n tr\u00f4ng nh\u1ea5t qu\u00e1n tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb. V\u1edbi Tools Mate, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c \u0111\u01a1n v\u1ecb n\u00e0y\u2026<\/p>","protected":false},"author":3,"featured_media":7643,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[19],"tags":[],"class_list":["post-7642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web-design-tools"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Convert Pixels to REM, EM, and Percent Easily - Tools Mate<\/title>\n<meta name=\"description\" content=\"Learn how to convert PX to REM, EM, and % easily with Tools Mate. 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