A pica is 12 points.
Picas to Kilometers Converter — pc to km
Convert Pica (pc) to Kilometer (km) using the exact conversion factor (1 pica = 0.0000042333 kilometer). See the formula, worked examples, conversion table, history, and common uses.
Picas to Kilometers 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.
Kilometer is 1000 meter units.
Result = input x 0.004233333333 / 1000.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Picas to Kilometers
Pica and Kilometer both measure length. Specifically: A pica is 12 points, and kilometer is 1000 meter units.
Formula
kilometers = picas × 0.000004233333333
This factor comes from each unit's defined relationship to the category's base unit: 1 pica equals 0.004233333333 base units, and 1 kilometer equals 1000 base units, so dividing one by the other gives the direct pica-to-kilometer factor of 0.000004233333333.
Simple example
1 pc × 0.000004233333333 = 0.0000042333 km
1 pica = 0.0000042333 kilometers.
Real-world example
10 pc × 0.000004233333333 = 0.0000423333 km
10 picas = 0.0000423333 kilometers.
Conversion table
| Pica (pc) | Kilometer (km) |
|---|---|
| 1 pc | 0.0000042333 km |
| 5 pc | 0.0000211667 km |
| 10 pc | 0.0000423333 km |
| 21.0975 pc | 0.0000893127 km |
| 42.195 pc | 0.0001786255 km |
| 100 pc | 0.0004233333 km |
Reverse conversion: Kilometer to Pica
0.0000042333 km × 236220.4725 = 0.9999921261 pc
0.0000042333 kilometers = 0.9999921261 picas.
picas = kilometers × 236220.47246
For a page dedicated to this direction, see Kilometer to Pica.
Understanding the Pica (pc)
A pica is 12 points.
Understanding the Kilometer
Kilometer (km) measures distance. A kilometer is 1,000 meters — the meter is the SI base unit of length. It is classified as a SI derived (metric prefix) unit.
Where it's used: Standard road, distance, and mapping unit in nearly every country except the United States
Uses of the Kilometer today
- Road signage, speed limits, and vehicle odometers outside the US
- Geographic and mapping distances
- Endurance sports (marathons are measured in kilometers internationally, though the marathon distance itself is a fixed value in both systems)
History of the Kilometer
The meter was defined during the French Revolutionary metric reforms as one ten-millionth of the distance from the North Pole to the Equator along a meridian through Paris. 'Kilo-' is simply the SI prefix for 1,000, making the kilometer a direct decimal multiple.
The meter itself has been redefined several times as measurement precision improved — from a physical platinum-iridium bar (1889) to a krypton-86 wavelength (1960) to its current definition (1983) as the distance light travels in a fixed fraction of a second.
Historical origin. Kilometer was not the invention of a single named person; it developed through the process described above.
Kilometer — sources
- BIPM — The metre (SI base unit) — Current definition and history of the meter.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilometers are in 1 pica?
1 pica equals 0.0000042333 kilometers, using the exact defined conversion factor rather than an estimate.
How do I convert pica to kilometer?
Multiply the pica value by 0.000004233333333. The converter above does this instantly to whatever precision you set.
How do I convert kilometer back to pica?
Use the reverse factor: 1 kilometer equals 236,220.4725 picas. You can also use the swap control in the converter above to flip the direction instantly.
What is a pica?
Pica (pc) is a unit of length.
What is a kilometer?
Kilometer (km) measures distance. A kilometer is 1,000 meters — the meter is the SI base unit of length. It is classified as a SI derived (metric prefix) unit.
Is the pica to kilometer conversion exact?
Yes. Both pica and kilometer are defined by fixed standards rather than physical artifacts, so the factor of 0.000004233333333 used above is exact to as many digits as you choose to display.