Browser Compatibility Testing of rem (root em) units

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rem (root em) units
rem (root em) units

rem (root em) units

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BROWSER SUPPORT FOR rem (root em) units

Google Chrome

rem (root em) units is compatible for Chrome browser.

Mozilla Firefox

This browser property is not compatible for Mozilla Firefox browser version 2 to 3.5. Mozilla Firefox browser version 3.6 to 60 support this browser element.

Internet Explorer

Internet Explorer browser version 6 to 8 doesn't support this browser element.rem (root em) units is partially supported for IE 9 and 10 and partial support for Internet Explorer refers to aupporting an older version of the web browser. IE 11 support this browser element.


Safari browser version 3.1 to 4 doesn't support this web element. Safari browser version 5 to 11.1 supports this browser property.

Microsoft Edge

rem (root em) units element is supported by Microsoft Edge browser.


Opera browser version 10.1 and 11.5 doesn't supports this property.rem (root em) units is compatible for Opera browser version 12.1 to 53.

Information sourced from

"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

  • Google Chrome
  • Mozilla
  • Edge
  • IE
  • opera
  • Safari
  • Yandex

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