A pica is 12 points.
Picas to Inches Converter — pc to in
Convert Pica (pc) to Inch (in) using the exact conversion factor (1 pica = 0.1666666667 inch). See the formula, worked examples, conversion table, history, and common uses.
Picas to Inches 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.
An inch is exactly 0.0254 meters.
Result = input x 0.004233333333 / 0.0254.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Picas to Inches
Pica and Inch both measure length. Specifically: A pica is 12 points, and an inch is exactly 0.0254 meters.
Formula
inches = picas × 0.166666666654
This factor comes from each unit's defined relationship to the category's base unit: 1 pica equals 0.004233333333 base units, and 1 inch equals 0.0254 base units, so dividing one by the other gives the direct pica-to-inch factor of 0.166666666654.
Simple example
1 pc × 0.1666666667 = 0.1666666667 in
1 pica = 0.1666666667 inches.
Real-world example
10 pc × 0.1666666667 = 1.666666667 in
10 picas = 1.666666667 inches.
Conversion table
| Pica (pc) | Inch (in) |
|---|---|
| 1 pc | 0.1666666667 in |
| 5 pc | 0.8333333333 in |
| 10 pc | 1.666666667 in |
| 21.0975 pc | 3.51625 in |
| 42.195 pc | 7.032499999 in |
| 100 pc | 16.66666667 in |
Reverse conversion: Inch to Pica
0.1666666667 in × 6 = 1 pc
0.1666666667 inches = 1 picas.
picas = inches × 6.00000000047
For a page dedicated to this direction, see Inch to Pica.
Understanding the Pica (pc)
A pica is 12 points.
Understanding the Inch
Inch (in) measures distance. The international inch is defined as exactly 25.4 millimeters. It is classified as a US/imperial customary unit.
Where it's used: United States and United Kingdom (small measurements, screen sizes, hardware)
Uses of the Inch today
- Screen and display size measurement worldwide (even in metric countries)
- US/UK small-object and body measurement
- Hardware, tools, and pipe fittings (US)
History of the Inch
The inch traces to medieval England, traditionally defined as the length of three barleycorns, later standardized as 1/12 of a foot. The international inch (exactly 25.4 mm) was fixed by the same 1959 agreement that standardized the foot and yard.
Historical origin. Inch was not the invention of a single named person; it developed through the process described above.
Inch — sources
- NIST — International yard and pound (1959) — Fixes the modern inch at exactly 25.4 millimeters.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many inches are in 1 pica?
1 pica equals 0.1666666667 inches, using the exact defined conversion factor rather than an estimate.
How do I convert pica to inch?
Multiply the pica value by 0.1666666667. The converter above does this instantly to whatever precision you set.
How do I convert inch back to pica?
Use the reverse factor: 1 inch equals 6 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 inch?
Inch (in) measures distance. The international inch is defined as exactly 25.4 millimeters. It is classified as a US/imperial customary unit.
Is the pica to inch conversion exact?
Yes. The international inch is defined as exactly 25.4 millimeters. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.