Character (Y) to Millimeter Conversion

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

char
mm

How to Convert Character (Y) to Millimeter

Conversion Formula

1 char = 4.233 mm
1 mm = 0.236 char

Example

Convert 15 char to mm:

15 char = 15 × 4.233 mm = 63.5 mm

Unit Information

Learn about the typography units you're converting between

Character (Y)

char

Definition

Character (Y) represents the average height of characters in a font, used for vertical measurements in typography. One character (Y) equals 240 twips, providing a font-relative unit for vertical text layout.

History/Origin

Character (Y) measurements were developed alongside Character (X) to provide complete font-relative dimensional control in computer typography, enabling proportional vertical spacing and layout calculations.

Current Use

Character (Y) units are used in programming and typography for calculating line height, vertical spacing, and text positioning that maintains proportional relationships with font size changes.

Multiplier

240

Offset

0

Millimeter

mm

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

0

Character (Y) to Millimeter Conversion Table

Character (Y) [char] Millimeter [mm]
1 char 4.233333 mm
10 char 42.333333 mm
25 char 105.833333 mm
50 char 211.666667 mm
100 char 423.333333 mm
0 char 0E+0 mm
-10 char -42.333333 mm
-40 char -169.333333 mm