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Convert inches (in) to centimeters (cm) accurately. Includes standard measurement conversion tables for quick lookup.
Multiply the length in inches by 2.54 to get centimeters.
Divide the length in centimeters by 2.54 to get inches.
Quick reference lookup values
| Inches (in) | Centimeters (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 4 in | 10.16 cm |
| 5 in | 12.7 cm |
| 6 in | 15.24 cm |
| 8 in | 20.32 cm |
| 10 in | 25.4 cm |
| 12 in | 30.48 cm |
| 16 in | 40.64 cm |
| 20 in | 50.8 cm |
| 24 in | 60.96 cm |
| 30 in | 76.2 cm |
| 36 in | 91.44 cm |
In 1959, standard international weights and measures agreed to fix the inch definition to exactly 25.4 millimeters (2.54 centimeters).
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