Unit Converter
Millimeters to Inches Converter
Convert millimeters (mm) to inches (in) instantly. Free, accurate, and browser-based — no signup, no ads in your way.
How to convert millimeters to inches
1 mm = 0.03937 in. Multiply the millimeters value by 0.03937 to get inches.
Example: 30 mm = 30 × 0.03937 = 1.1811 in.
Millimeters to inches conversion table
| Millimeters (mm) | Inches (in) |
|---|---|
| 0.5 | 0.019685 |
| 1 | 0.03937 |
| 2 | 0.07874 |
| 3 | 0.11811 |
| 4 | 0.15748 |
| 5 | 0.19685 |
| 8 | 0.314961 |
| 10 | 0.393701 |
| 12 | 0.472441 |
| 15 | 0.590551 |
| 20 | 0.787402 |
| 25 | 0.984252 |
| 30 | 1.1811 |
| 40 | 1.5748 |
| 50 | 1.9685 |
| 60 | 2.3622 |
| 75 | 2.9528 |
| 100 | 3.937 |
| 150 | 5.9055 |
| 200 | 7.874 |
Convert the other way
Need in to mm instead? Use the dedicated Inches to Millimeters converter.
FAQ
How do I convert millimeters to inches?
1 mm = 0.03937 in. Multiply the millimeters value by 0.03937 to get inches.
How many inches are in one millimeter?
One millimeter (mm) equals 0.03937 inches (in).
What is 15 mm in in?
15 millimeters equals 0.590551 inches. Type any value into the converter above for an instant exact result.
Is this mm to in converter free?
Yes. Every Utiliora tool is free, open source, works in your browser, and never asks you to sign up.
Can I convert the other way, from in to mm?
Yes — use the Inches to Millimeters converter at /converters/inches-to-mm, or press the swap button in the converter above.