All tools

72px to rem

72 pixels expressed in rem, the unit that scales when a user changes their browser's font size.

72px=4.5rem

72 ÷ 16 = 4.5 — rem is just pixels divided by the root font size, which defaults to 16px.

root size72px in rem
14px5.1429rem
16px4.5rem
18px4rem
20px3.6rem

Different value? Use the converter.