Photo & Print Size Converter
Convert photo sizes, print dimensions and pixels
Convert between inches, centimeters, millimeters and pixels for photo prints, frames, posters, documents and design files. Use DPI to estimate the pixel size needed for printing.
Enter photo or print size
Add width, height and unit. If you enter pixels, DPI is used to estimate the printed size.
Result
Size in inches
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Size in centimeters
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Pixel size at selected DPI
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Aspect ratio
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Print quality note
Enter a size to see a print quality suggestion.
Common photo and print size examples
| Print size | Centimeters | Pixels at 300 DPI | Common use |
|---|---|---|---|
| 4 × 6 in | 10.16 × 15.24 cm | 1200 × 1800 px | Standard photo print |
| 5 × 7 in | 12.70 × 17.78 cm | 1500 × 2100 px | Photo frame or greeting card |
| 8 × 10 in | 20.32 × 25.40 cm | 2400 × 3000 px | Portrait or wall frame |
| 8.5 × 11 in | 21.59 × 27.94 cm | 2550 × 3300 px | US Letter document |
| A4 | 21.00 × 29.70 cm | 2480 × 3508 px | Document or print sheet |
How it helps
Plan photo prints, frames and design files
Photo and print sizes are often described in inches, centimeters or pixels. This converter helps you understand how large an image will print and how many pixels are needed at a selected DPI.
If you are preparing an image for printing, check the printer or print service requirements before ordering. Cropping, bleed, borders and aspect ratio may affect the final output.
FAQ
Photo and print size converter questions
What does the photo and print size converter do?
This converter helps convert print size between inches, centimeters, millimeters and pixels using a selected DPI value.
What does DPI mean for printing?
DPI means dots per inch. A higher DPI usually means more pixels are used per inch, which can create a sharper print.
Is 300 DPI good for photo printing?
300 DPI is commonly used as a high-quality print target for photos and design files. Lower DPI may still work for casual prints or larger viewing distances.
Can I use this for frames, posters and photo prints?
Yes. You can use it to understand common photo, frame, poster and document sizes, but always check the final requirements from your printer or print service.
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