Inches to Millimeters Converter
Convert in to mm instantly. 1 in = 25.4 mm.
Conversion Formula
1 in = 25.4000 mm
Conversion Table
| in | mm |
|---|---|
| 1 | 25.4 |
| 5 | 127 |
| 10 | 254 |
| 25 | 635 |
| 50 | 1,270 |
| 100 | 2,540 |
Frequently Asked Questions
How many mm in 1 in?
1 in equals 25.4 mm.
How do I convert Inches to Millimeters?
Multiply your Inches value by 25.4 to get Millimeters, or use our converter above.