Inches to millimeters
mm = in × 25.4
1 inch = 25.4 millimeters (mm = in × 25.4). For example, 10 in = 254 mm.
in to mm table
| inches | millimeters |
|---|---|
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 5 in | 127 mm |
| 10 in | 254 mm |
| 20 in | 508 mm |
| 50 in | 1,270 mm |
| 100 in | 2,540 mm |
| 250 in | 6,350 mm |
| 500 in | 12,700 mm |
| 1,000 in | 25,400 mm |
millimeters to inches · All converters
Frequently asked questions
How many millimeters are in a inch?
25.4.
How do I convert inches to millimeters?
mm = in × 25.4.