PX to MM Converter

A tool that converts PX to MM for a specific breakpoint, helping to measure pixels accurately.

The screen resolution (DPI) is dots per inch.
Rounding precision (max 15):

PX to MM Conversion Table

This table shows common PX to MM values based on a 96 PPI screen resolution. Use a converter for more precision if your screen has a different pixel density.

Pixels (px) Millimeters (mm)
1px0.2646mm
2px0.5292mm
3px0.7938mm
5px1.323mm
8px2.1168mm
10px2.646mm
12px3.1752mm
14px3.7044mm
15px3.969mm
16px4.2336mm
18px4.7628mm
20px5.292mm
22px5.8212mm
24px6.3504mm
30px7.938mm
32px8.4672mm
34px8.9964mm
35px9.261mm
38px10.0568mm
40px10.584mm
42px11.1132mm
45px11.907mm
48px12.7008mm
50px13.23mm
52px13.7592mm
55px14.553mm
60px15.876mm
64px16.896mm
70px18.522mm
72px19.0512mm
75px19.845mm
78px20.6388mm
80px21.168mm
82px21.6972mm
85px22.491mm
88px23.2848mm
90px23.814mm
92px24.3432mm
95px25.137mm
100px26.46mm

How to Convert PX to MM?

To convert pixels (px) to millimeters (mm), you need to know the screen resolution, which is commonly 96 pixels per inch (PPI). Then, use the formula:
px × 0.2646 = mm

For example, using the standard 96 PPI resolution, 32px would convert to:
32 × 0.2646 = 8.4672mm

What is the PX to MM Formula?

The formula for converting PX to MM is:
MM = PX × 0.2646

This is based on a screen resolution of 96 PPI (pixels per inch), where 1px ≈ 0.2646mm. So for example:
MM = PX × (25.4 ÷ 96)

Why Convert PX to MM?

Converting PX (pixels) to MM (millimeters) is important for ensuring physical accuracy in print design or when you need to match digital dimensions with real-world sizes. This conversion is useful for design projects that will be printed or need to match specific physical measurements, ensuring consistent layout and sizing across different media and devices.

Why Use MM Over PX?

  • Physical Accuracy: MM (millimeters) are real-world units, making them ideal for print design, manufacturing, or anything that requires physical measurement.
  • Device Independence: Unlike PX, which depends on screen resolution (PPI), MM provides consistent sizing across all devices and media types.
  • Precision Printing: When creating materials for print, MM ensures the final output matches exact physical dimensions.
  • Real-World Design: Useful in fields like architecture, product packaging, and signage where dimensions need to match physical constraints.
  • Cross-Medium Consistency: MM helps maintain layout accuracy when transitioning from digital screens to physical media like posters, labels, or booklets.