Pixels needed at each resolution. 300 DPI is the photo lab standard for close viewing, 240 DPI suits inkjet wall prints, and 150 DPI is fine for posters seen from a distance. Click a size for the scale your photo needs.
Photo prints
| Size | 300 DPI | 240 DPI | 150 DPI |
|---|---|---|---|
| 4 × 6 in | 1,200 × 1,800 | 960 × 1,440 | 600 × 900 |
| 5 × 7 in | 1,500 × 2,100 | 1,200 × 1,680 | 750 × 1,050 |
| 8 × 10 in | 2,400 × 3,000 | 1,920 × 2,400 | 1,200 × 1,500 |
| 11 × 14 in | 3,300 × 4,200 | 2,640 × 3,360 | 1,650 × 2,100 |
| 12 × 12 in | 3,600 × 3,600 | 2,880 × 2,880 | 1,800 × 1,800 |
Paper sizes
| Size | 300 DPI | 240 DPI | 150 DPI |
|---|---|---|---|
| 8.5 × 11 in (US Letter) | 2,550 × 3,300 | 2,040 × 2,640 | 1,275 × 1,650 |
| A5 (148 × 210 mm) | 1,748 × 2,480 | 1,398 × 1,984 | 874 × 1,240 |
| A4 (210 × 297 mm) | 2,480 × 3,508 | 1,984 × 2,806 | 1,240 × 1,754 |
| A3 (297 × 420 mm) | 3,508 × 4,961 | 2,806 × 3,969 | 1,754 × 2,480 |
Posters
| Size | 300 DPI | 240 DPI | 150 DPI |
|---|---|---|---|
| 11 × 17 in (Tabloid) | 3,300 × 5,100 | 2,640 × 4,080 | 1,650 × 2,550 |
| 12 × 18 in | 3,600 × 5,400 | 2,880 × 4,320 | 1,800 × 2,700 |
| 16 × 20 in | 4,800 × 6,000 | 3,840 × 4,800 | 2,400 × 3,000 |
| 18 × 24 in | 5,400 × 7,200 | 4,320 × 5,760 | 2,700 × 3,600 |
| 20 × 30 in | 6,000 × 9,000 | 4,800 × 7,200 | 3,000 × 4,500 |
| 24 × 36 in | 7,200 × 10,800 | 5,760 × 8,640 | 3,600 × 5,400 |
| 30 × 40 in | 9,000 × 12,000 | 7,200 × 9,600 | 4,500 × 6,000 |
| 36 × 48 in | 10,800 × 14,400 | 8,640 × 11,520 | 5,400 × 7,200 |
| A2 (420 × 594 mm) | 4,961 × 7,016 | 3,969 × 5,613 | 2,480 × 3,508 |
| A1 (594 × 841 mm) | 7,016 × 9,933 | 5,613 × 7,946 | 3,508 × 4,967 |
| A0 (841 × 1189 mm) | 9,933 × 14,043 | 7,946 × 11,235 | 4,967 × 7,022 |
Questions
How do I work out pixels for a print?
Multiply each side in inches by the DPI. An 8 × 10 print at 300 DPI needs 2400 × 3000 pixels.
What DPI should I use?
300 for photos viewed up close, 240 for inkjet prints on a wall, 150 for posters seen from a metre or more.