8 × 10 inch photo at 150 DPI is 1200 × 1500 pixels

8 × 10 inch photo (8 × 10 in) at 150 DPI is 1200 × 1500 pixels, which is 1.8 megapixels.

Portrait1200 × 1500 pixels
Landscape1500 × 1200 pixels
With 0.125 in bleed1238 × 1538 pixels
Megapixels1.8
Aspect ratio4:5
File size5.1 MB as uncompressed 8-bit RGB; a JPEG or PNG is smaller
Paper size8 × 10 in (203.2 × 254 mm)

The working

Pixels are inches multiplied by the resolution.

Bleed is extra image past the trim line, so that a cut that lands slightly off still leaves ink to the edge. Print shops usually ask for 0.125 in on every side of a US size, which makes the file 1238 × 1538 pixels.

Is your photo big enough?

To fill 8 × 10 inch photo at 150 DPI an image needs at least 1200 × 1500 pixels. Cropped to fill the sheet:

At 150 DPI the pixels of a print blend together from about 22.9 inches (58 cm) away. 150 DPI is a common minimum for posters and large prints seen from a step or two away, and a usual setting for scanning documents that only need to be read.

8 × 10 inch photo at other resolutions

ResolutionPixelsWith bleedMegapixelsUncompressed
72 DPI576 × 720594 × 7380.411.2 MB
96 DPI768 × 960792 × 9840.742.1 MB
100 DPI800 × 1000825 × 10250.82.3 MB
150 DPI1200 × 15001238 × 15381.85.1 MB
200 DPI1600 × 20001650 × 20503.29.2 MB
240 DPI1920 × 24001980 × 24604.613 MB
300 DPI2400 × 30002475 × 30757.221 MB
400 DPI3200 × 40003300 × 41001337 MB
600 DPI4800 × 60004950 × 61502982 MB
1200 DPI9600 × 120009900 × 12300115330 MB

Other sizes at 150 DPI

8 × 10 inches is the classic portrait enlargement and a standard frame size. See 8 × 10 inch photo in pixels at every resolution or everything at 150 DPI.