QUICK CONVERSION
Millimetres to Inches
Enter a value to convert millimetres to inches, or use the right-hand input to convert in reverse.
How to convert millimetres to inches
Multiply the number of millimetres by 0.03937007874 to get inches.
Formula: Inches = Millimetres × 0.03937007874.
Common conversion values
| Millimetres (mm) | Inches (in) |
|---|---|
| 0 | 0 |
| 1 | 0.03937007874 |
| 2 | 0.07874015748 |
| 5 | 0.196850393701 |
| 10 | 0.393700787402 |
| 20 | 0.787401574803 |
| 25 | 0.984251968504 |
| 50 | 1.96850393701 |
| 100 | 3.93700787402 |
| 500 | 19.6850393701 |
| 1000 | 39.3700787402 |
Important measurement notes
Length conversions use internationally defined metric and imperial relationships, including the exact international inch of 25.4 mm.
Related conversions
Figures are rounded for display. For regulated or safety-critical work, confirm the relevant measurement standard and precision.