Font Unit Converter
Convert a pixel font size to pt, rem, em and % (root 16px, 1pt = 96/72 px).
Input Data
Input Font size (px).
px
Results
12pt
1
1
100%
1pt = 96/72 px; rem/em = px/16 (root 16px).
At a glance:Font Unit Converter: enter parameters to compute results; complements related calculators.
Formula
pt = px·(72/96); rem = px/16; em = px/16; % = (px/16)·100.
How to Use
- Enter pixel size.
- It returns pt / rem / em / %.
Case Studies
16px → 12pt = 1rem
Browsers default root to 16px.
FAQ
em vs rem?
rem is root-relative; em is parent-relative — this tool uses root 16px.
Related Tools
References
Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.