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Quaestio

Points to pixels – and pixels to points

16

1 pt = 1.3333333 px

All units in this category

  • 12pt
  • 16px
  • 4.2333333mm
  • 0.16666667in
  • 1pc

Formula

Multiply the value in points by 1.3333333 to get pixels.
px = pt × 1.3333333

Multiply the value in pixels by 0.75 to get points.
pt = px × 0.75

How to convert points to pixels

Type a value in the field above and the result is calculated instantly. Use the arrow button to swap direction, or pick other units from the lists.

Points to pixels – common values

Points (pt)Pixels (px)
11.33333
68
810.6667
1013.3333
1216
1418.6667
1621.3333
2432
3648
7296

Pixels to points – common values

Pixels (px)Points (pt)
10.75
64.5
86
107.5
129
1410.5
1612
2418
3627
7254

About the units

Points. A point is today exactly one seventy-second of an inch, 0.35278 millimetres. The value is fixed in the W3C CSS specification and matches the PostScript point. Type sizes are given in points in word processing, layout and on the web, and the EU energy label prescribes exact point sizes for its text. The older printer’s point was one 72.27th of an inch, and it survives in TeX-set literature – 0.374% smaller for the same figure. A point is also 4/3 of a pixel.

Pixels. The pixel is an absolute length in CSS: exactly one ninety-sixth of an inch, 0.2646 millimetres and 0.75 points. That is why 16 pixels is exactly 12 points. W3C defines the reference pixel as a visual angle – the size a pixel has on a 96 dpi screen at arm’s length – not as a physical length. And there is the trap: a CSS pixel is not a physical screen pixel. On a high-density display it covers two or three physical pixels.

Other common conversions