20px to rem = 1.25rem
20 pixels equals 1.25rem at the default root font size of 16px. Adjust the root size below to recalculate.
px
px
1.25rem
How it works
To convert 20px to rem, divide by the root font size: 20 / 16 = 1.25. The rem unit is relative to the root element’s font size, which browsers default to 16px.