8 units · base unit m · L

Typography length converter

CSS fixes one pixel at 1/96 inch for conversion purposes. PostScript fixes one point at 1/72 inch, making 12 points one pica exactly.

0.039 370 078 740 2in
≈ Rounded to 12 s.f. 1 mm ≈ 0.039 370 078 740 2 in
As a fraction: 5/127
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1 mm = 0.0393700787402 in
Show this value in all 8 typography length units
  • Metres m 0.001
  • Millimetres mm 1
  • Inchs in 0.039 370 078 740 2
  • CSS pixels px 3.779 527 559 06
  • PostScript points pt 2.834 645 669 29
  • Picas pc 0.236 220 472 441
  • Quarter millimetres Q 4
  • Twips twip 56.692 913 385 8

Every row is Millimetre (mm) converted through the meter, in exact rational arithmetic.

Common typography length conversions

All typography length units

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

Unit Symbol System Value in m
Metre m SI 1
Millimetre mm metric 0.001
Inch in imperial 0.0254
CSS pixel px other 0.000264583333333
PostScript point pt other 0.000352777777778
Pica pc other 0.00423333333333
Quarter millimetre Q metric 0.00025
Twip twip other 0.0000176388888889

About typography length units

Convert CSS pixels, PostScript points, picas, Q, twips and physical metric lengths.

CSS fixes one pixel at 1/96 inch for conversion purposes. PostScript fixes one point at 1/72 inch, making 12 points one pica exactly.

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

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