devcalcs

16px to rem = 1rem

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

px
px
1rem

How it works

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