An 8x10 picture measures 8 inches by 10 inches, which is about 20.32 cm by 25.4 cm.

Basic size

  • Short side: 8 inches (about 20.32 cm).
  • Long side: 10 inches (about 25.4 cm).
  • It can be used either in portrait (8×10) or landscape (10×8); the physical size is the same.

In other units

  • In feet: roughly 0.67 ft by 0.83 ft.
  • In millimeters: about 203.2 mm by 254 mm.

For printing and framing

  • Common print pixel sizes include 2400×3000 pixels for high‑quality 300 ppi prints.
  • A typical “8x10 frame” is made to hold an 8x10 photo, but the outer frame itself will be larger depending on the frame thickness and any mat border.

TL;DR: An 8x10 picture is 8″×10″ (about 20.32×25.4 cm), a popular medium size for portraits and wall photos.

Information gathered from public forums or data available on the internet and portrayed here.