REM to Percent Converter

Convert REM units to Percent.

Loading converter...
Share this tool:

What Is REM to Percent Converter?

A REM to Percent Converter converts rem units into percentages (%) based on the root font size. It is useful for responsive design and scalable layouts.

How To Find REM to Percent?

To find REM to Percent, convert the root-based rem value into a percentage using the root font size as a reference.

How to use the REM to Percent tool

The REM to Percent tool allows you to easily convert REM to % instantly. Simply enter a value in the input field above, and the corresponding conversion will be calculated automatically in real-time.

REM to Percent Formula

%=
rem × base font sizeparent width
× 100
Where:
remREM UnitsThe REM value of the element.
base font sizeBase/Root Font SizeThe font size of the root HTML element (usually 16px).
parent widthParent WidthThe width of the parent container element.
%PercentageThe resulting percentage value.

REM to % Conversion Table (Base Font 16px)

REM (rem)% (%)
0.125rem0.2%
0.25rem0.4%
0.375rem0.6%
0.5rem0.8%
0.625rem1%
0.75rem1.2%
0.875rem1.4%
1rem1.6%
1.125rem1.8%
1.25rem2%
1.375rem2.2%
1.5rem2.4%
1.75rem2.8%
2rem3.2%
2.25rem3.6%
2.5rem4%
2.75rem4.4%
3rem4.8%
3.5rem5.6%
4rem6.4%
4.5rem7.2%
5rem8%
5.5rem8.8%
6rem9.6%
7rem11.2%
8rem12.8%
9rem14.4%
10rem16%
12rem19.2%
14rem22.4%
16rem25.6%
20rem32%
24rem38.4%
28rem44.8%
32rem51.2%
36rem57.6%
40rem64%
48rem76.8%
56rem89.6%
64rem102.4%
80rem128%
96rem153.6%
128rem204.8%

Compare with EM to Percent or check PX to REM.