Skip to content

PX to REM Converter

Convert between pixels and rem/em units online for responsive CSS. Free PX to REM converter with custom base font size support.

Default browser font size is 16px. Adjust if your project uses a different base.

px
PixelsREM
8px0.5rem
10px0.625rem
12px0.75rem
14px0.875rem
16px1rem
18px1.125rem
20px1.25rem
24px1.5rem
28px1.75rem
32px2rem
36px2.25rem
40px2.5rem
48px3rem
56px3.5rem
64px4rem
72px4.5rem
80px5rem
96px6rem

About PX to REM Converter

Convert between pixels and rem units for CSS. REM units are relative to the root font size, making them useful for responsive design. The default browser font size is 16px.

How to Use PX to REM Converter

1

Enter your values

Open PX to REM Converter and enter the values you want to calculate or convert.

2

Select units or options

Choose the input and output units, formats, or calculation parameters.

3

View results instantly

Results are calculated in real-time as you type — no submit button needed.

4

Copy or use the result

Copy the calculated result or use it directly in your work.

Frequently Asked Questions

PX to REM Converter is a free online calculations tool. Convert between pixels and rem/em units online for responsive CSS. Free PX to REM converter with custom base font size support.