Work out photo print resolution instantly with clear inputs, formula shown and shareable results.
Pixel dimensions are print size in inches times the print resolution, and megapixels are the product of those two dimensions divided by a million. 300 dpi is the usual standard for prints held at reading distance, while large prints viewed from further away are perfectly sharp at 150 dpi.
Pixel dimensions
pixels = print size in inches x dpi, for each dimension
Megapixels
MP = pixels wide x pixels high / 1,000,000
pixels = print size in inches x dpi, for each dimension. Pixel dimensions are print size in inches times the print resolution, and megapixels are the product of those two dimensions divided by a million.
300 dpi is the usual standard for prints held at reading distance, while large prints viewed from further away are perfectly sharp at 150 dpi.
Enter print width, print height, print resolution. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.