A 16×20" print at 300 DPI needs about 4800×6000 px (~28.8 MP). Lower DPI needs fewer pixels if viewing distance allows.
Recommended pixels
For photo-quality close viewing, aim for 300 DPI (4800×6000). For posters viewed from farther away, 150–200 DPI can work.
Pixels needed by DPI
| DPI | Pixels |
|---|---|
| 72 | 1152 × 1440 |
| 100 | 1600 × 2000 |
| 150 | 2400 × 3000 |
| 200 | 3200 × 4000 |
| 240 | 3840 × 4800 |
| 300 | 4800 × 6000 |
| 600 | 9600 × 12000 |
FAQ
How many pixels for a 16×20" print?
At 300 DPI: 4800×6000. See the table for other DPI targets.