Picas to Millimetres
Type a value in Picas and get the result in Millimetres, calculated exactly.
16 Picas ≈ 67.73333333 Millimetres
Precision
Exact factorRounded for display to about 10 significant digits.
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Formula
mm = pc × 4.23333333333
To convert Picas to Millimetres, multiply the value by 4.23333333333.
Worked examples
- 1 pc × 4.23333333333 ≈ 4.233333333 mm
- 16 pc × 4.23333333333 ≈ 67.73333333 mm
- 100 pc × 4.23333333333 ≈ 423.3333333 mm
This factor is exact by definition.
Conversion table
| Picas (pc) | Millimetres (mm) |
|---|---|
| 1 | ≈ 4.233333 |
| 2 | ≈ 8.466667 |
| 4 | ≈ 16.93333 |
| 8 | ≈ 33.86667 |
| 10 | ≈ 42.33333 |
| 12 | 50.8 |
| 14 | ≈ 59.26667 |
| 16 | ≈ 67.73333 |
| 18 | 76.2 |
| 20 | ≈ 84.66667 |
| 24 | 101.6 |
| 32 | ≈ 135.4667 |
| 36 | 152.4 |
| 48 | 203.2 |
| 64 | ≈ 270.9333 |
| 72 | 304.8 |
| 96 | 406.4 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Millimetres to Picas
| Millimetres (mm) | Picas (pc) |
|---|---|
| 1 | ≈ 0.2362205 |
| 2 | ≈ 0.4724409 |
| 4 | ≈ 0.9448819 |
| 8 | ≈ 1.889764 |
| 10 | ≈ 2.362205 |
| 12 | ≈ 2.834646 |
| 14 | ≈ 3.307087 |
| 16 | ≈ 3.779528 |
| 18 | ≈ 4.251969 |
| 20 | ≈ 4.724409 |
| 24 | ≈ 5.669291 |
| 32 | ≈ 7.559055 |
| 36 | ≈ 8.503937 |
| 48 | ≈ 11.33858 |
| 64 | ≈ 15.11811 |
| 72 | ≈ 17.00787 |
| 96 | ≈ 22.67717 |
Unit definitions
- Picas pc
- Exactly 12 points, or 1/6 of an inch.
- Millimetres mm
- One thousandth of a metre; 25.4 mm make an inch.
Questions people ask
Picas to Millimetres: what is the conversion factor?
One pc is ≈ 4.233333333 mm.
How do I convert Picas to Millimetres?
Use the formula above. For example, 16 pc = ≈ 67.73333333 mm.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.