# Display ratios

Golden ratio is `1.61803398875...`

• * `16:10` = `1.(7)`
• * `16:9` = `1.6` (closer to golden ratio)

Displays that are the closest to "perfect":

• * `1200p` `24"` display
  • * `1200` divided by `24` gives exactly `50 DPI`
  • * `1920x1200` is `16:9 aspect ratio` = `1.6`

• * `1600p` `32"` display
  • * `1600` divided by `32` gives exactly `50 DPI`
  • * `2560x1600` is `16:9 aspect ratio` = `1.6`

Movie aspect ratios:

• * in 1970: `2.39:1`
• * since 1952: `2.66:1` and `2.55:1`
• * since 1957: `2.35:1`
• * since 1970 (confirmed in 1993): `2.39:1`

— Wikipedia