Pixels to Inches / CM Converter
A simple DPI converter: find the physical size of a pixel dimension, or work out the pixel dimensions for a measurement in inches or centimetres.
How to use
- Choose the direction of the conversion.
- Enter pixels, or a length with its unit.
- Set the DPI/PPI of the image and press Convert.
How it works
One inch contains DPI pixels, so inches = pixels ÷ DPI. Conversely pixels = inches × DPI. To convert from centimetres, first divide by 2.54 to get inches.
| Unit | Equals |
|---|---|
| 1 inch | 2.54 cm |
| 1 cm | 0.3937 inches |
| 1 px at 300 DPI | 0.00333 inches (0.0847 mm) |
Frequently asked questions
How many inches is 1200 pixels at 300 DPI?
1200 ÷ 300 = 4 inches (10.16 cm). An 1200 × 800 image prints at 4 × 2.67 inches at 300 DPI.
Is DPI the same as PPI?
DPI describes printer dots; PPI describes pixels in an image. For sizing digital images for print they are treated as the same value in most workflows.
How many pixels are in an inch?
It depends on the resolution: 300 DPI means 300 pixels per inch, 150 DPI means 150 pixels per inch.