What is Typography Unit Converter?

Typography Unit Converter instantly converts between the most common CSS and print typography units: pixels (px), em, rem, points (pt), and percentages (%). Set your base font size and convert any value across all units simultaneously — essential for responsive web design and print-to-digital workflows.

How to use

1. Step 1 — Set the base font size in pixels (default 16px) which determines how relative units like em, rem, and % are calculated.
2. Step 2 — Enter a numeric value in any of the five unit fields (px, em, rem, pt, or %) to see all other units update instantly.
3. Step 3 — Copy any converted value to use in your CSS, design specs, or print layouts.

Result

A designer hands you specs in points (14pt body text). Enter 14 in the pt field with a 16px base to instantly see it equals 18.67px, 1.167em, 1.167rem, and 116.7% — ready to use in your stylesheet.

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