Millimeter is 0.001 meter units.
Millimeters to Picas Converter — mm to pc
Convert Millimeter (mm) to Pica (pc) using the exact conversion factor (1 millimeter = 0.2362204725 pica). See the formula, worked examples, conversion table, history, and common uses.
Millimeters to Picas converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
A pica is 12 points.
Result = input x 0.001 / 0.004233333333.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Millimeters to Picas
Millimeter and Pica both measure length. Millimeter is most often used for engineering drawings and manufacturing tolerances worldwide (including in the us).
Formula
picas = millimeters × 0.23622047246
This factor comes from each unit's defined relationship to the category's base unit: 1 millimeter equals 0.001 base units, and 1 pica equals 0.004233333333 base units, so dividing one by the other gives the direct millimeter-to-pica factor of 0.23622047246.
Simple example
1 mm × 0.2362204725 = 0.2362204725 pc
1 millimeter = 0.2362204725 picas.
Real-world example
10 mm × 0.2362204725 = 2.362204725 pc
10 millimeters = 2.362204725 picas.
Conversion table
| Millimeter (mm) | Pica (pc) |
|---|---|
| 1 mm | 0.2362204725 pc |
| 5 mm | 1.181102362 pc |
| 10 mm | 2.362204725 pc |
| 21.0975 mm | 4.983661418 pc |
| 42.195 mm | 9.967322835 pc |
| 100 mm | 23.62204725 pc |
Reverse conversion: Pica to Millimeter
0.2362204725 pc × 4.233333333 = 1 mm
0.2362204725 picas = 1 millimeters.
millimeters = picas × 4.233333333
For a page dedicated to this direction, see Pica to Millimeter.
Understanding the Millimeter
Millimeter (mm) measures distance. A millimeter is one-thousandth of a meter. It is classified as a SI derived (metric prefix) unit.
Where it's used: Standard small/precision length unit worldwide, including in US engineering and manufacturing
Uses of the Millimeter today
- Engineering drawings and manufacturing tolerances worldwide (including in the US)
- Rainfall measurement in most countries
- Small-scale everyday measurement (screen sizes, hardware)
History of the Millimeter
The millimeter follows from the meter via the 'milli-' SI prefix (10⁻³). It is notable as one of the few metric units in routine US technical/engineering use, since precision manufacturing and electronics are often specified in millimeters even in the US.
Historical origin. Millimeter was not the invention of a single named person; it developed through the process described above.
Understanding the Pica (pc)
A pica is 12 points.
Millimeter — sources
- BIPM SI Brochure — SI prefixes — Defines 'milli-' as the prefix for 10⁻³.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picas are in 1 millimeter?
1 millimeter equals 0.2362204725 picas, using the exact defined conversion factor rather than an estimate.
How do I convert millimeter to pica?
Multiply the millimeter value by 0.2362204725. The converter above does this instantly to whatever precision you set.
How do I convert pica back to millimeter?
Use the reverse factor: 1 pica equals 4.233333333 millimeters. You can also use the swap control in the converter above to flip the direction instantly.
What is a millimeter?
Millimeter (mm) measures distance. A millimeter is one-thousandth of a meter. It is classified as a SI derived (metric prefix) unit.
What is a pica?
Pica (pc) is a unit of length.
Is the millimeter to pica conversion exact?
Yes. Both millimeter and pica are defined by fixed standards rather than physical artifacts, so the factor of 0.2362204725 used above is exact to as many digits as you choose to display.
Where is the millimeter still used today?
Standard small/precision length unit worldwide, including in US engineering and manufacturing