Quick Answer
1 inch equals 2.54 centimeters. To convert inches to centimeters, multiply the value by this factor.
Key Facts
- Reverse: 1 centimeter = 0.393701 inches.
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1 in = 2.54 centimeters
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1 inch equals 2.54 centimeters. To convert inches to centimeters, multiply the value by this factor.
Formula: value × 2.54
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| Inches (in) | Centimeters (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
| 250 in | 635 cm |
| 500 in | 1,270 cm |
| 1,000 in | 2,540 cm |
Enter the value above and the result appears instantly — the calculation runs entirely in your browser. Formula: value × 2.54.
1 inch = 2.54 centimeters (shown to 6 significant figures — the converter itself computes at full precision). The reverse factor is 1 centimeter = 0.393701 inches.
1 in = 2.54 cm; 10 in = 25.4 cm; 100 in = 254 cm. Use the full conversion table below for more reference values.
Yes. Since 1959 the inch has been defined internationally as exactly 2.54 centimeters, so conversions between inches, feet, yards, and miles and the metric units are exact, not approximations.