300 for prints seen up close, 240 for photo prints and wall art, 150 for posters read from across a room.
Bit depth
16-bit (Photoshop, Krita) keeps gradients smoother but doubles memory per layer.
New canvas size
2475 × 3075 px
8 × 10 in trim + 0.125 in bleed per side at 300 DPI
BleedTrim lineSafe area
7.6megapixels
30.4 MBper layer (8-bit RGBA)
1.81×layer memory of 2048 × 2048
4 : 5trim aspect ratio