PPI to pixel pitch (mm) at QHD 2560x1440

1 Pixels per inch = 25.4 Pixel pitch · profile-dependent conversion · context: resolution/device profile

Direct Answer

1 Pixels per inch equals 25.4 Pixel pitch

This result depends on the selected profile context: resolution/device profile.

For 5 Pixels per inch, this profile returns 5.08 Pixel pitch.

Converter Calculator

1 Pixels per inch (PPI) =
25.4 Pixel pitch (mm)

Explanation

QHD 2560x1440 has a diagonal pixel count of 2937.20956011 px. pixel_pitch_mm = 25.4 / PPI. For reference, input 1 PPI gives 25.4 mm/pixel under this profile.

For Pixels per inch to Pixel pitch, the active resolution/device profile determines the conversion constants applied to every value.

Read more

Keep the same profile in both directions to avoid mixing lookup systems that use different size mappings.

Method & Reference (Verified)

  • Method basis: profile-bound mapping; constants depend on the selected profile encoded in the route.
  • Profile reference: resolution/device profile.
  • Consistency rule: keep the same profile in mirror direction to avoid mixing incompatible mappings.

Common Conversion Values

Pixels per inch (PPI)Pixel pitch (mm)
1 25.4
5 5.08
10 2.54
13 1.953846
15 1.693333
24 1.058333
27 0.940741
32 0.79375
43 0.590698
55 0.461818
65 0.390769
100 0.254
200 0.127
300 0.084667