Pixel (Y) to Millimeter Conversion

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

px
mm

How to Convert Pixel (Y) to Millimeter

Conversion Formula

1 px = 0.265 mm
1 mm = 3.78 px

Example

Convert 15 px to mm:

15 px = 15 × 0.265 mm = 3.969 mm

Unit Information

Learn about the typography units you're converting between

Pixel (Y)

px

Definition

Pixel (Y) represents a single pixel in the vertical direction on a display screen. One pixel (Y) equals 15 twips, providing a screen-relative unit for vertical digital typography measurements.

History/Origin

Pixel (Y) was developed alongside Pixel (X) to provide complete screen-relative dimensional control in digital typography, enabling precise vertical positioning and spacing in digital media.

Current Use

Pixel (Y) units are used in web design, digital typography, and screen applications for vertical spacing, line height calculations, and responsive design that maintains proper proportions across different devices.

Multiplier

15

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

Pixel (Y) to Millimeter Conversion Table

Pixel (Y) [px] Millimeter [mm]
1 px 0.264583 mm
10 px 2.645833 mm
25 px 6.614583 mm
50 px 13.229167 mm
100 px 26.458333 mm
0 px 0E+0 mm
-10 px -2.645833 mm
-40 px -10.583333 mm