- Runs in your browser
- No upload
- Free, no signup
Enter a width and height in centimeters and set the DPI; the tool converts the physical size to pixels. Use 300 DPI for prints.
For common sizes, browse the exact-centimeter presets, which show the pixel sizes at several DPI values.
| Unit | centimeters |
|---|
Centimeters to pixels
| Size | 96 DPI | 150 DPI | 300 DPI |
|---|---|---|---|
| 5 × 5 cm | 189 × 189 | 295 × 295 | 591 × 591 |
| 10 × 15 cm | 378 × 567 | 591 × 886 | 1181 × 1772 |
| 13 × 18 cm | 491 × 680 | 768 × 1063 | 1535 × 2126 |
| 21 × 29.7 cm | 794 × 1123 | 1240 × 1754 | 2480 × 3508 |
How the presets in this category work
Each preset below fills in a ready-made value, so you can skip typing it. Open any of them, add your photo, and the editor shows the settings already applied. You can still change every value before downloading: the preset is a starting point, not a lock.
If your exact value does not exist as a preset, use this page to enter your own. The result is processed in your browser with Lanczos-3 resampling for scaling, and is never uploaded.
How to resize an image in cm
- Add your image. Select a photo or drag it onto the box above. JPG, PNG, WebP, AVIF, HEIC and BMP files are accepted, and the file stays on your device.
- Enter your size. Type the width and height you need and choose the unit. The aspect-ratio lock keeps the proportions unless you turn it off.
- Download the result. Click resize and save the file.
Related presets
Nearby sizes in this category
More in this category: Resize Image to Exact Centimeter Sizes. For several photos at once, use the bulk image resizer.
Frequently asked questions
How do I convert cm to pixels?▼
Can I change the preset values after opening the editor?▼
Do I need an account, and does it add a watermark?▼
Looking for a different size or format?
Explore over 1,500+ curated presets for social media, print, and strict file sizes.