Enter your image's pixel size and DPI to get its print size in inches and centimeters, and see how sharp it will look at every common print size.
Divide the pixel count by the DPI (dots per inch). A 3,000-pixel-wide image printed at 300 DPI is 3,000 ÷ 300 = 10 inches wide. For centimeters, multiply the inches by 2.54.
Going the other way, multiply inches by DPI: an 8 × 10 inch print at 300 DPI needs 2,400 × 3,000 pixels.
300 DPI is the standard for prints you look at up close: photos, small framed prints, anything up to about 20 inches. Larger prints are viewed from further away, so they need less: around 240 DPI up to 40 inches, 180 DPI up to 60 inches and 150 DPI beyond that.
The calculator grades every size with exactly these targets, the same ones we use for our own prints.
The pixels you need for common print sizes, at 300 DPI and at the recommended DPI for that size.
| Print size | Pixels at 300 DPI | Recommended |
|---|---|---|
| 4 × 6 in (10 × 15 cm) | 1,200 × 1,800 | 1,200 × 1,800 at 300 DPI |
| 5 × 7 in (13 × 18 cm) | 1,500 × 2,100 | 1,500 × 2,100 at 300 DPI |
| 8 × 8 in (20 × 20 cm) | 2,400 × 2,400 | 2,400 × 2,400 at 300 DPI |
| 8 × 10 in (20 × 25 cm) | 2,400 × 3,000 | 2,400 × 3,000 at 300 DPI |
| 8 × 12 in (20 × 30 cm) | 2,400 × 3,600 | 2,400 × 3,600 at 300 DPI |
| A4 · 8.3 × 11.7 in (21 × 29.7 cm) | 2,490 × 3,510 | 2,490 × 3,510 at 300 DPI |
| 12 × 12 in (30 × 30 cm) | 3,600 × 3,600 | 3,600 × 3,600 at 300 DPI |
| 11 × 14 in (28 × 35.5 cm) | 3,300 × 4,200 | 3,300 × 4,200 at 300 DPI |
| 12 × 16 in (30 × 40 cm) | 3,600 × 4,800 | 3,600 × 4,800 at 300 DPI |
| A3 · 11.7 × 16.5 in (29.7 × 42 cm) | 3,510 × 4,950 | 3,510 × 4,950 at 300 DPI |
| 12 × 18 in (30 × 45 cm) | 3,600 × 5,400 | 3,600 × 5,400 at 300 DPI |
| 16 × 20 in (40 × 50 cm) | 4,800 × 6,000 | 4,800 × 6,000 at 300 DPI |
| A2 · 16.5 × 23.4 in (42 × 59.4 cm) | 4,950 × 7,020 | 3,960 × 5,616 at 240 DPI |
| 18 × 24 in (45 × 60 cm) | 5,400 × 7,200 | 4,320 × 5,760 at 240 DPI |
| 20 × 30 in (50 × 75 cm) | 6,000 × 9,000 | 4,800 × 7,200 at 240 DPI |
| A1 · 23.4 × 33.1 in (59.4 × 84.1 cm) | 7,020 × 9,930 | 5,616 × 7,944 at 240 DPI |
| 24 × 36 in (60 × 90 cm) | 7,200 × 10,800 | 5,760 × 8,640 at 240 DPI |
| 30 × 40 in (75 × 100 cm) | 9,000 × 12,000 | 7,200 × 9,600 at 240 DPI |
| A0 · 33.1 × 46.8 in (84.1 × 118.9 cm) | 9,930 × 14,040 | 5,958 × 8,424 at 180 DPI |
| 40 × 60 in (100 × 150 cm) | 12,000 × 18,000 | 7,200 × 10,800 at 180 DPI |
No. The DPI value saved in a JPG or PNG is only a note for printing software. Changing it doesn't add or remove a single pixel, and the print looks exactly the same. What decides print quality is the pixel count, which is why this calculator lets you pick the DPI yourself.
FAQ
Quick answers about pixels, inches and DPI.
At 300 DPI, an 8 × 10 inch print needs 2,400 × 3,000 pixels (7.2 megapixels). From about 1,800 × 2,250 pixels it still looks good.
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