Convert Inches to Millimeters
Quick answer
1 in = 25.4 mm
(and 1 mm = 0.03937 in)
Inches-to-Millimeters formula
To convert inches to millimeters, multiply the value by 25.4:mm = in × 25.4
Inches to Millimeters conversion table
| Inches (in) | Millimeters (mm) |
|---|---|
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 3 in | 76.2 mm |
| 5 in | 127 mm |
| 10 in | 254 mm |
| 20 in | 508 mm |
| 25 in | 635 mm |
| 50 in | 1,270 mm |
| 100 in | 2,540 mm |
| 250 in | 6,350 mm |
| 500 in | 12,700 mm |
| 1000 in | 25,400 mm |
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