points to mm | Exact Decimal + Formula
1 Point (DTP) = 0.352778 Millimeter
One millimeter equals about 2.83 points (exactly 2.83464567 pt). Real-world use: font sizes in print and design software. This page expresses those values in millimeters, which is used for international print specifications. Type a value above for an instant answer; the exact formula and the reference table are below.
About Point (DTP) and Millimeter
Point (DTP) (pt)
A DTP point is exactly 1/72 of an inch, the standard unit of type size.
Where it's used: Font sizes in print and design software.
Millimeter (mm)
In typography, a millimeter is 1/25.4 of an inch, about 2.835 points.
Where it's used: International print specifications.
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Formula
mm = pt × 0.352777778
To convert Point (DTP) to Millimeter, use the formula displayed above.
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Point (DTP) to Millimeter: Quick Reference Table
| Point (DTP) | Millimeter (Decimal) | Fraction |
|---|---|---|
| 0.001 pt | 0.000353 mm | - |
| 0.01 pt | 0.003528 mm | - |
| 0.1 pt | 0.035278 mm | - |
| 0.5 pt | 0.176389 mm | - |
| 1 pt | 0.352778 mm | - |
| 2 pt | 0.705556 mm | - |
| 5 pt | 1.763889 mm | - |
| 10 pt | 3.527778 mm | - |
| 25 pt | 8.819444 mm | - |
| 50 pt | 17.638889 mm | - |
| 100 pt | 35.277778 mm | - |
| 250 pt | 88.194444 mm | - |
| 500 pt | 176.388889 mm | - |
| 1000 pt | 352.777778 mm | - |
pt to mm Formula and Examples
Direct Formula
mm = pt × 0.352777778 Inverse Formula
pt = mm × 2.834646 Mental Math Shortcut
Divide the value by roughly 2.8 to quickly estimate the converted result.
Common Point (DTP) to Millimeter Calculations
- 5 pt = 1.763889 mm
- 10 pt = 3.527778 mm
- 50 pt = 17.638889 mm
- 100 pt = 35.277778 mm
- 500 pt = 176.388889 mm
Precision & Practical Use
For example, 10 pt = 3.527778 mm — roughly width of a green pea.
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.
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How to Convert Point (DTP) to Millimeter
How many millimeters are in one point (dtp)?
One Point (DTP) (pt) equals 0.352778 Millimeter (mm). To convert point (dtp)s to millimeters, multiply the point (dtp) value by 0.352778.
How do I convert Point (DTP) to Millimeter?
Multiply your point (dtp) value by 0.352778 to get the result in Millimeter: mm = pt × 0.352778. For example, 5 pt = 1.763889 mm.
What is the formula for converting pt to mm?
The conversion formula is mm = pt × 0.352778. 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 pt to mm?
Divide the value by roughly 2.8 to quickly estimate the converted result.
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