Tada File

CM to Pixels

Find how many pixels a size in centimeters needs at any DPI. Free, and nothing to install.

Common values at 300 DPI

CentimetersPixels
1118
2236
5591
101,181
151,772
202,362
212,480
303,543
DPI (pixels per inch)

72–96 is typical for screens, 150 for everyday prints, 300 for quality prints.

At 300 DPI, 1 inch is 300 pixels and 1 cm is 118.1 pixels.

CM to Pixels tells you how many pixels fill a size in centimeters. Divide by 2.54 to get inches, then multiply by the DPI: 10 cm at 300 DPI is about 1181 pixels. It's useful when a form or print shop gives sizes in centimeters.

How to use CM to Pixels

  1. 1

    Enter the centimeters

    Type the size in centimeters.

  2. 2

    Choose a DPI

    300 for quality prints; or type your own.

  3. 3

    Read the pixels

    See the pixels needed, plus inches and millimeters.

What it does

Print planning
See at once how many pixels a size needs.
Works in every direction
Type in any box and the others update.
Handy table
Common sizes at your chosen DPI, including A4 widths.

Questions

How do I convert centimeters to pixels?

Pixels = cm ÷ 2.54 × DPI. For example, 21 cm at 300 DPI is about 2480 pixels.

How many pixels is A4 at 300 DPI?

A4 is 21 × 29.7 cm, which is about 2480 × 3508 pixels at 300 DPI.

What about a form that asks for 3.5 × 4.5 cm?

At 300 DPI that is about 413 × 531 pixels. Passport Photo Maker can create it for you.