CM to Pixels at 300 DPI Calculator
Find exact pixel dimensions for any centimeter or millimeter measurement at 300 DPI. Pre-calibrated for passport, visa, and document printing standards.
413 × 531 px
0.22 MP @ 300 DPI
3.5 × 4.5 cm
1 cm = 118.11 px
35 × 45 mm
1 mm = 11.81 px
1.38 × 1.77 in
1 in = 300 px
Formula: px = round((cm ÷ 2.54) × 300) → 3.5 × 4.5 cm = 413 × 531 px
Supports JPG, PNG, HEIC, WEBP, PDF, SVG, TIFF, AVIF, GIF, BMP
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Centimeter to Pixel Conversion Table at 300 DPI
Precise pixel calculations for common international photo and paper dimensions:
| Centimeters (CM) | Millimeters (MM) | Inches | Exact Pixels at 300 DPI |
|---|---|---|---|
| 3.5 × 4.5 cm | 35 × 45 mm | 1.38 × 1.77 in | 413 × 531 pixels |
| 5.0 × 5.0 cm | 50 × 50 mm | 1.97 × 1.97 in | 591 × 591 pixels |
| 5.08 × 5.08 cm | 50.8 × 50.8 mm | 2.0 × 2.0 in | 600 × 600 pixels |
| 5.0 × 7.0 cm | 50 × 70 mm | 1.97 × 2.76 in | 591 × 827 pixels |
| 10.0 × 15.0 cm | 100 × 150 mm | 3.94 × 5.91 in | 1181 × 1772 pixels |
| 21.0 × 29.7 cm | 210 × 297 mm | 8.27 × 11.69 in | 2480 × 3508 pixels |
Why In-Browser Processing is Essential for Sensitive Photos & IDs
🔒 Zero Cloud Uploads
Signatures, Aadhaar IDs, and passport photos are sensitive personal biometric assets. PixelKit processes all operations locally in browser RAM.
⚡ Sub-Second Quantization
Powered by WebAssembly and Canvas binary-search encoding, resizing and compressing takes under 200ms with zero server latency.
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Dimensions, aspect ratios, and KB file limits are locked directly to the official government guidelines for immediate intake clearance.