Points to Millimeters Converter
Quick answer: To convert points to millimeters, multiply by 0.3527778. For example, 10 pt is 3.527778 mm. One point equals 0.3527778 mm.
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Use the Points to Millimeters Converter
Points to Millimeters formula and what each symbol means
mm = pt × 0.3527778
| Symbol | Meaning |
|---|---|
| pt | Point |
| mm | Millimeter |
Points to Millimeters examples
1 pt
1 pt × 0.3527778 = 0.3527778 mm.
10 pt
10 pt × 0.3527778 = 3.527778 mm.
100 pt
100 pt × 0.3527778 = 35.27778 mm.
Points compared with Millimeters
One mm is 2.835 times as large as one pt, so your number gets smaller when you convert points to millimeters and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About points and millimeters
Point (pt): The CSS and desktop-publishing point, exactly 1/72 inch. Millimeter (mm): One thousandth of a metre.
How to calculate Points to Millimeters step by step
- Enter the value in pt (the starting unit).
- Multiply by 0.3527778, because 1 pt = 0.3527778 mm.
- The product is the value in mm. To go back, divide by 0.3527778 or multiply by 2.834646.
Popular typography conversions
How to read your Points to Millimeters result
Quick estimate: multiply by about 0.35 to get millimeters from points; this is within 0.8% of the exact factor. In CSS, one inch is exactly 96 pixels, 72 points and 6 picas.
| POINTS | MILLIMETERS |
|---|---|
| 1 | 0.3527778 |
| 2 | 0.7055556 |
| 5 | 1.763889 |
| 10 | 3.527778 |
| 20 | 7.055556 |
| 50 | 17.63889 |
| 100 | 35.27778 |
| 1,000 | 352.7778 |
Millimeters to Points: quick table
| MILLIMETERS | POINTS |
|---|---|
| 1 | 2.834646 |
| 5 | 14.17323 |
| 10 | 28.34646 |
| 25 | 70.86614 |
| 50 | 141.7323 |
| 100 | 283.4646 |
| 250 | 708.6614 |
| 500 | 1,417.323 |
Common mistakes when calculating Points to Millimeters
- Mixing the CSS point (1/72 in) with older printer point definitions.
- Dividing when you should multiply: from pt to mm multiply by 0.3527778; from mm to pt divide by 0.3527778.
Points to Millimeters FAQ
How many mm are in 1 pt?
1 pt equals 0.3527778 mm.
How many pt are in 1 mm?
1 mm equals 2.834646 pt.
Is 1 pt = 0.3527778 mm an exact conversion?
The factor is shown rounded to 7 significant figures (0.3527778). The calculator above uses more digits.
What is a point (pt)?
The CSS and desktop-publishing point, exactly 1/72 inch.
How can I estimate points to millimeters in my head?
Quick estimate: multiply by about 0.35 to get millimeters from points; this is within 0.8% of the exact factor.
What is 30 pt in millimeters?
30 pt = 10.58333 mm (since 30 × 0.3527778).
What is 150 pt in millimeters?
150 pt = 52.91667 mm (since 150 × 0.3527778).
What is 0.5 pt in millimeters?
0.5 pt = 0.1763889 mm (since 0.5 × 0.3527778).
How many decimals should I keep when converting pt to mm?
Match the precision of your original measurement. For example, 3.527778 mm rounds to 3.53 mm at 3 significant figures; keep more digits only for engineering or scientific work.
More in Typography converters
- Pixels to Points Converter
- Centimeters to Inches Converter
- Pixels to Picas Converter
- Centimeters to Millimeters Converter
- Pixels to Millimeters Converter
- Centimeters to Picas Converter
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: W3C CSS Values and Units: absolute lengths (1in = 96px = 72pt = 6pc)