Character (X) to Millimeter Conversion

Convert between Character (X) and Millimeter quickly and accurately.

From Character (X)

char

To Millimeter

How to Convert Character (X) to Millimeter

Conversion Formula

1 char = 2.117 mm

1 mm = 0.472 char

Example

Convert 15 char to mm:

15 char = 15 × 2.117 mm = 31.75 mm

Unit Information

Learn about the typography units you're converting between

Character (X)

char

Definition

Character (X) represents the average width of characters in a font, used for horizontal measurements in typography. One character (X) equals 120 twips, providing a font-relative unit for text layout calculations.

History/Origin

Character (X) measurements were developed in early computer typography to provide font-relative horizontal spacing. The unit allows for proportional text layout that adapts to different font sizes and families.

Current Use

Character (X) units are used in programming, document layout, and typography for calculating text width, column sizing, and horizontal spacing that scales proportionally with font size changes.

Multiplier

120

Offset

Millimeter

Definition

A millimeter is one-thousandth of a meter, providing fine precision for typographic measurements. One millimeter equals 56.6929133858 twips, offering detailed control over text positioning and spacing.

History/Origin

The millimeter is a metric unit derived from the meter, providing a practical scale for precise measurements in engineering, manufacturing, and design applications, including typography and graphic design.

Current Use

Millimeters are used in typography for precise measurements of font sizes, line spacing, margins, and other typographic elements, particularly in professional publishing and technical documentation.

Multiplier

56.693

Offset