/convert/rem-to-em/ Convert rem to em (when 1em=16px) instantly with a reference conversion table. article rem to em (when 1em=16px) Converter — 247QuickTools
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rem to em (when 1em=16px) Converter

Convert rem to em (when 1em=16px) instantly with a reference conversion table.

rem to em (when 1em=16px)
Common conversions
rem em (when 1em=16px)
Formula:

How to convert rem to em (when 1em=16px)

1

Enter your value

Type the number of rem you want to convert into the left box. The result in em (when 1em=16px) appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — em (when 1em=16px) to rem. Your current value carries across so you don't have to re-enter anything.

3

About rem and em (when 1em=16px)

rem and em (when 1em=16px) are common css measurements.

Reviewed for 2026. rem ↔ em (when 1em=16px) conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.

Frequently asked questions

How do I convert rem to em (when 1em=16px)?

Use the calculator above to convert rem to em (when 1em=16px) instantly.

How many em (when 1em=16px) are in 1 rem?

Use the calculator above to find the exact conversion.

Is the rem to em (when 1em=16px) converter free?

Yes, the rem to em (when 1em=16px) converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.