6 units · base unit px/m · L⁻¹

Display resolution density converter

Resolution density is a count per length. DPI and PPI are numerically interchangeable here; CSS defines 1 dppx as exactly 96 dpi.

2.54ppi
✓ Exact 1 px/cm = 2.54 ppi
As a fraction: 127/50
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1 px/cm = 2.54 ppi
Show this value in all 6 display resolution density units
  • Pixel per metres px/m 100
  • Pixel per millimetres px/mm 0.1
  • Pixel per centimetres px/cm 1
  • Pixel per inchs ppi 2.54
  • CSS dots per pixel units dppx 0.026 458 333 333 3
  • CSS dots per centimetres dpcm 1

Every row is Pixel per centimetre (px/cm) converted through the pixel per meter, in exact rational arithmetic.

Common display resolution density conversions

All display resolution density units

Each unit expressed in pixel per metres (px/m), the unit everything in this category converts through.

Unit Symbol System Value in px/m
Pixel per metre px/m SI 1
Pixel per millimetre px/mm metric 1000
Pixel per centimetre px/cm metric 100
Pixel per inch ppi imperial 39.3700787402
CSS dots per pixel unit dppx other 3779.52755906
CSS dots per centimetre dpcm metric 100

About display resolution density units

Convert pixels per inch, pixels per centimetre, CSS dppx and other resolution-density units.

Resolution density is a count per length. DPI and PPI are numerically interchangeable here; CSS defines 1 dppx as exactly 96 dpi.

Dimensional formula: L⁻¹. Every conversion on this page goes through the pixel per metre, using exact fractions rather than decimal approximations. Read how that works →

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