mm to picas | Exact Decimal + Formula

1 Millimeter = 0.23622 Pica (DTP)

One pica equals about 4.23 millimeters (exactly 4.233333332 mm). Real-world use: international print specifications. This page expresses those values in picas, which is used for print layout, column widths, and classic typesetting measurements. Type a value above for an instant answer; the exact formula and the reference table are below.

About Millimeter and Pica (DTP)

Millimeter (mm)

In typography, a millimeter is 1/25.4 of an inch, about 2.835 points.

Where it's used: International print specifications.

Pica (DTP) (pc)

A pica is 12 points, exactly 1/6 of an inch.

Where it's used: Print layout, column widths, and classic typesetting measurements.

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Precision

Formula

pc = mm × 0.236220473

To convert Millimeter to Pica (DTP), use the formula displayed above.

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Millimeter to Pica (DTP): Quick Reference Table

Millimeter	Pica (DTP) (Decimal)	Fraction	Real-world equivalent
0.001 mm	0.000236 pc	-	fractional unit measurement
0.01 mm	0.002362 pc	-	fractional unit measurement
0.1 mm	0.023622 pc	-	fractional unit measurement
0.5 mm	0.11811 pc	-	fractional unit measurement
1 mm	0.23622 pc	-	fractional unit measurement
2 mm	0.472441 pc	-	fractional unit measurement
5 mm	1.181102 pc	-	standard single unit scale
10 mm	2.362205 pc	-	standard single unit scale
25 mm	5.905512 pc	-	standard single unit scale
50 mm	11.811024 pc	-	multiple unit increments
100 mm	23.622047 pc	-	multiple unit increments
250 mm	59.055118 pc	-	multiple unit increments
500 mm	118.110236 pc	-	multiple unit increments
1000 mm	236.220472 pc	-	multiple unit increments

mm to pc Formula and Examples

Direct Formula pc = mm × 0.236220473

Inverse Formula mm = pc × 4.233333

Mental Math Shortcut

Divide the value by roughly 4.2 to quickly estimate the converted result.

Common Millimeter to Pica (DTP) Calculations

5 mm = 1.181102 pc
10 mm = 2.362205 pc
50 mm = 11.811024 pc
100 mm = 23.622047 pc
500 mm = 118.110236 pc

Precision & Practical Use

For example, 10 mm = 2.362205 pc — roughly standard single unit scale.

Results are computed to up to 9 decimal places. Round to the precision of your measuring instrument — for most typography applications, 2–3 significant figures are plenty.

How to Convert Millimeter to Pica (DTP)

How many pica (dtp)s are in one millimeter?

One Millimeter (mm) equals 0.23622 Pica (DTP) (pc). To convert millimeters to pica (dtp)s, multiply the millimeter value by 0.23622.

How do I convert Millimeter to Pica (DTP)?

Multiply your millimeter value by 0.23622 to get the result in Pica (DTP): pc = mm × 0.23622. For example, 5 mm = 1.181102 pc.

What is the formula for converting mm to pc?

The conversion formula is pc = mm × 0.23622. Use the calculator above for any value, and see the reference table below for common inputs from 0.001 to 1000.

Is there a quick mental estimate for mm to pc?