Inches to Millimeters Converter
1 in = 25.4 mm. Type any value — it converts as you type, right in your browser.
=
25.4 mm
Formula
mm = in × 25.4
Inches to Millimeters conversion table
| Inches (in) | Millimeters (mm) |
|---|---|
| 0.1 | 2.54 |
| 0.5 | 12.7 |
| 1 | 25.4 |
| 2 | 50.8 |
| 5 | 127 |
| 10 | 254 |
| 20 | 508 |
| 50 | 1,270 |
| 100 | 2,540 |
| 500 | 12,700 |
| 1,000 | 25,400 |
FAQ
How many millimeters in a inche?
1 in equals 25.4 mm.
How do I convert in to mm?
Multiply the inches value by 25.4 to get millimeters.
What is the reverse conversion (mm to in)?
1 mm equals 0.039370079 in. Use our Millimeters to Inches converter for the other direction.