What is a point in typography?

A point is a unit of measurement equal to 1/72 of an inch. It's the standard unit for font sizes in print typography.

Why do web designers use pixels instead of points?

Pixels are specific to screen displays with fixed resolution. Points are absolute measurements used in print.

What's the difference between em and rem?

Em is relative to the current element's font size, while rem is relative to the root element's font size. Rem is usually more predictable in responsive designs.

Millimeter to Rem Converter

Enter a value to instantly convert between typography units.

From

Precision4 dp

1 Millimeter = 0.2362 Rem

Key Formulas

Point → Pica

pc = pt × 0.0833333

Point → Inch

in = pt × 0.0138889

Pica → Inch

in = pc × 0.166667

Formula

rem = mm × 0.2362205

Millimeters and Rems are typographic units. Millimeters is used in design work, while Rems is standard in typography. Conversion matters when designing responsive layouts or working across different design systems.

Source: Adobe PostScript Language Reference & W3C CSS Values

Last reviewed: 2026-06-11 · see our methodology

Frequently Asked Questions

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Millimeter to Rem Converter

Key Formulas

Formula

Frequently Asked Questions

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