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Typography Length Converter

Convert CSS px, pt, pc, in, cm, mm. Reference unit: CSS pixel at 96 pixels per inch.

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Three steps. That’s it.

A useful toolkit for text, data, images and calculations.

  1. 01

    Add your input

    Choose a tool, enter values or select a file.

  2. 02

    Make it yours

    Adjust the options and run the action.

  3. 03

    Take the result

    Copy the result or download its file.

Convert typography length units online

Convert CSS px, pt, pc, in, cm, mm. Reference unit: CSS pixel at 96 pixels per inch. Use this to compare values expressed in different units of the same physical quantity. Select the source and destination explicitly; similar-looking unit symbols can have different scales.

How to use it

Paste one numeric value. Review from unit, to unit. Choose Run tool and review the result. Copy or download the output when it matches your requirements.

Options and example settings

OptionChoices / valueExample default
From unitCSS px / pt / pc / in / cm / mmCSS px
To unitpt / pc / in / cm / mm / CSS pxpt

Calculation method

Multiply the input by its source factor and divide by its destination factor. Reference: CSS pixel at 96 pixels per inch. Factors: CSS px = 1 reference units; pt = 1.3333333333333333 reference units; pc = 16 reference units; in = 96 reference units; cm = 37.79527559055118 reference units; mm = 3.7795275590551185 reference units.

Worked examples

Use this to compare values expressed in different units of the same physical quantity. Select the source and destination explicitly; similar-looking unit symbols can have different scales.

Reproducible sample

Settings: From unit: CSS px; To unit: pt

Input:

1

With the settings above, the output is:

Output:

{
  "input": 1,
  "from": "CSS px",
  "result": 0.75,
  "to": "pt"
}

For this input, “input” is 1; “result” is 0.75. These are the named fields in the example output.

Limitations and common mistakes

  • Multiplicative unit conversion only. Enter a finite numeric value; no material, circuit or operating assumptions are inferred.
  • Inputs are limited to 250,000 characters in total. Invalid input is reported rather than silently corrected.

Frequently asked questions

How can I check the result?

Run the fixed worked example with the documented settings, compare its output, then check your own input format and units before copying a result.

Does this require an account?

No. This bundled tool runs in your browser without a conversion account.

How can I transform typography length units online?

Paste one numeric value. Review from unit, to unit. Choose Run tool and review the result. Copy or download the output when it matches your requirements.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

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