Convert pixel dimensions to print size at any DPI — or flip it to find the pixels you need. The rule: inches = pixels ÷ DPI.
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Print size and pixels are linked by DPI (dots per inch): inches = pixels ÷ DPI, and pixels = inches × DPI. At the 300 DPI print standard, a 2400×3000 pixel image prints exactly 8×10 inches.
| Size (in) | Pixels @ 300 DPI |
|---|---|
| 4×6 | 1200×1800 |
| 5×7 | 1500×2100 |
| 8×10 | 2400×3000 |
| 11×14 | 3300×4200 |
| 16×20 | 4800×6000 |
| 24×36 | 7200×10800 |
Need all the ratios prepared at once? The free Ratio-Pack Generator turns one image into every print ratio at 300 DPI in one download.
This calculator reads its numbers from the address bar, so a link can carry the result. /pixels-to-inches-calculator/?px=800x800&dpi=300 opens showing that 800 × 800 pixels prints 2.67 × 2.67 inches. Use ?in=8x10&dpi=300 to go the other way. Handy for a shop FAQ, a customer email, or anywhere you want the answer rather than the tool.
Divide the pixel dimension by the DPI. At 300 DPI, 2400 pixels ÷ 300 = 8 inches, so a 2400×3000 image prints at 8×10 inches.
Multiply inches by DPI: 8×300 = 2400 and 10×300 = 3000, so 8×10 at 300 DPI is 2400×3000 pixels.
300 DPI is the print standard. Large wall art viewed from a distance can look fine at 150–200 DPI, but small prints held close need the full 300.