Quickly resize any image to exact centimeter (cm) dimensions online. Enter width & height in cm, choose DPI, compress file size, and download the perfectly scaled JPG or PNG image.
cm to pixel calculator is provided on home page at bottom side. CM to pixel calculatorThis tool allows you to convert any photo into exact centimeter (cm) measurements using accurate pixel–to–cm conversion based on your chosen DPI (96, 150, or 300 DPI). Perfect for printing, ID card photos, passport size, forms, school/college documents, project reports, and more.
This tool ensures your image prints correctly at the exact physical size required.
| Size Label | CM (Width × Height) | Pixels @96 DPI | Pixels @150 DPI | Pixels @300 DPI |
|---|---|---|---|---|
| Passport Photo | 3.5 × 4.5 cm | 132 × 170 px | 207 × 266 px | 413 × 531 px |
| Small ID Photo | 2 × 2.5 cm | 76 × 95 px | 118 × 148 px | 236 × 295 px |
| Square Photo | 5 × 5 cm | 189 × 189 px | 295 × 295 px | 591 × 591 px |
| 4R Photo Print | 10 × 15 cm | 378 × 567 px | 590 × 885 px | 1181 × 1772 px |
| A4 | 21 × 29.7 cm | 794 × 1123 px | 1240 × 1750 px | 2480 × 3508 px |
Output: 413×531 px @300 DPI, JPG, 80 KB.
Output: 2480×3508 px @300 DPI, PNG, print-ready.
Just enter the width and height in centimeters, select DPI, and the tool automatically converts it into exact pixel dimensions for you.
300 DPI is best for high-quality printing. For normal prints, 150 DPI is fine. For online use, 96 DPI works.
Yes, you can set a maximum KB value such as 50 KB, 100 KB, or custom compression.
Yes. Passport-size photos like 3.5×4.5 cm are standard and the tool supports CM-to-pixel conversion for them.
Yes. Higher DPI produces sharper print output. 300 DPI is recommended for documents and photos.
Absolutely, you can input any custom width and height in centimeters.
