Resize Image in Centimetres (cm)
Scale any image to a size in centimetres at 300 DPI. Keep this shortcut in mind — 1 cm comes to roughly 118 px at 300 DPI, so key those pixels straight into the resizer.
Open Resize Image in cm →DPI reference — how cm maps to pixels
Because a screen counts everything in pixels, a centimetre figure has no fixed meaning until you decide on a DPI. The table below lists the values people rely on most.
| DPI | Best for | 1 inch | 1 cm | 1 mm |
|---|---|---|---|---|
| 72 DPI | Web / on-screen display | 72 px | ≈ 28 px | ≈ 2.8 px |
| 150 DPI | Minimum print quality | 150 px | ≈ 59 px | ≈ 5.9 px |
| 300 DPI | Standard print (ID cards, photos) | 300 px | ≈ 118 px | ≈ 11.8 px |
| 600 DPI | High-quality print / scanning | 600 px | ≈ 236 px | ≈ 23.6 px |
Working at 300 DPI: 1 inch = 300 px · 1 cm ≈ 118 px · 1 mm ≈ 11.8 px. This page is preset to 1011×638 px, saved as JPG, in the 0–500 KB range.
How to resize an image in cm — step by step
About resizing images in cm
Use this page to bring an image to a centimetre size at 300 DPI. The logic behind it is straightforward: at 300 DPI a single centimetre is close to 118 px, so you feed those pixels into the resizer. It doesn't matter whether you're readying paperwork for an exam application, sizing a photo before printing, or matching an image to a precise measurement for some project — the maths is handled the moment you load it, right there in your browser.
There's nothing to download and nothing gets sent off anywhere; the picture never leaves the device you're on.