REM to PX Converter

Convert rem units to pixels (px). Easily translate rem values back into exact pixel measurements for design inspection and CSS auditing.

16px is the default browser root font-size. Change this if your site sets a different root (or parent, for em) font-size.
Result Live
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Similar Converters

PX to EM, EM to PX

Rem to px formula

Formula
px = rem × base font-size   Example: 1.5rem × 16px = 24px

To compute pixel equivalents from rem, multiply the rem value by the root font size of your document. By default, browsers assign 16px to 1rem, making 2rem equal to 32px and 0.75rem equal to 12px.

Common reference points

RemPixels (at 16px base)
0.5rem8px
0.625rem10px
0.75rem12px
0.875rem14px
1rem16px
1.25rem20px
1.5rem24px
2rem32px
3rem48px

Frequently asked questions

How do I convert rem to px?

Multiply the rem value by the root font-size, which is 16px by default in every browser unless your site's CSS overrides it.

What is 1rem in pixels?

16px, assuming the standard root font-size.

What does "rem" stand for?

"Root em" — always relative to the root (html) element's font-size, regardless of how deeply nested the element using it is.