Pixels to CM in Photoshop

Convert pixels to centimeters for Adobe Photoshop projects. Use the correct PPI settings and learn how to set up your Photoshop documents in cm.

Photoshop PX ↔ CM Converter

Pixels (px)

PPI / Resolution

Result

16.26

centimeters

How to Convert Pixels to CM in Photoshop

Adobe Photoshop uses PPI (Pixels Per Inch) as its resolution setting. The default for new web documents is 72 PPI, while print documents typically use 300 PPI.

1.Go to Image → Image Size (Alt+Ctrl+I / Option+Cmd+I)
2.Change the unit dropdown from "Pixels" to "Centimeters"
3.Set the Resolution field to your target PPI (300 for print, 72 for web)
4.Photoshop will automatically calculate the physical dimensions in cm

Photoshop Document Sizes in Pixels & CM

Document Type	Size (px @ 300 PPI)	Size (cm)	PPI
A4 Document	2480 × 3508	21 × 29.7	300
Business Card	1063 × 591	9 × 5	300
Instagram Post	1080 × 1080	38.1 × 38.1	72
Web Banner	1920 × 600	67.73 × 21.17	72
Photo Print (10×15)	1181 × 1772	10 × 15	300

Photoshop Tips for Pixel-to-CM Conversion

For Print: Always use 300 PPI. Go to Edit → Preferences → Units & Rulers and set the ruler unit to Centimeters.

For Web: Use 72 PPI. Photoshop's "Save for Web" optimizes file size while preserving pixel dimensions.