Pixels to Centimetres Converter

Converting pixels to centimetres is essential for designers and developers working in international contexts where the metric system is standard. Pixels are digital units, while centimetres are physical measurements, and the conversion depends on DPI (dots per inch). At 96 DPI, 96 pixels equals 2.54 centimetres (1 inch). For print work, higher DPI values like 300 are used, making each pixel much smaller in physical space. This calculator converts pixels to centimetres, inches, and millimetres at any DPI. Enter the number of pixels and DPI, and get instant results in metric and imperial units. Standard DPI values are provided for quick selection: 96 for screen design, 150 for low-quality print, 300 for standard photo quality, and 600 for professional print. Useful for resizing images, understanding responsive web design, and converting between digital and print specifications.

2.54
1.00
25.40

Conversion formula

Pixels to centimetres: cm = (pixels / DPI) * 2.54
Pixels to inches: inches = pixels / DPI
Pixels to millimetres: mm = (pixels / DPI) * 25.4

Common pixel and centimetre conversions at 96 DPI

Pixels Centimetres Inches Millimetres
96 2.54 1.00 25.40
192 5.08 2.00 50.80
384 10.16 4.00 101.60
768 20.32 8.00 203.20
1920 50.80 20.00 508.00

Pixels to centimetres converter: frequently asked questions

What is the formula for converting pixels to centimetres?

The formula is: centimetres = (pixels / DPI) * 2.54. First convert pixels to inches by dividing by DPI, then convert inches to centimetres by multiplying by 2.54.

Why use centimetres instead of inches?

Centimetres are part of the metric system and are used internationally for measurements. Most countries outside the United States use centimetres. For print design and international projects, centimetres are the standard.

What DPI should I use for web design?

For web design and screen display, use 96 DPI. This is the standard CSS pixel density. At 96 DPI, 96 pixels equals 1 inch or approximately 2.54 centimetres.

What DPI should I use for printing?

For printing, use higher DPI values: 150 DPI for low-quality prints, 300 DPI for standard quality photos, or 600 DPI for high-quality professional prints. Higher DPI means the image appears sharper and more detailed.

How do I convert millimetres to pixels?

First convert millimetres to centimetres (mm / 10 = cm), then convert centimetres to inches (cm / 2.54 = inches), then convert inches to pixels (inches * DPI = pixels).

Official sources

Reviewed by the CalculatorHub team, edited by James Graham, 14 June 2026. See our methodology.