devcalcs

1 rem to px = 16px

1 rem equals 16 pixels at the default root font size of 16px. Adjust the root size below to recalculate.

px
rem
16px

How it works

To convert 1rem to pixels, multiply by the root font size: 1 × 16 = 16. The rem unit is relative to the root element’s font size, which browsers default to 16px.