Convert Inches to Centimeters
1 in = 2.54 cm. Enter any value below.
Converted to every unit
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Inches to Centimeters formula
cm = in × 2.54
An inch is exactly 2.54 centimeters; there are 12 inches in a foot. A centimeter is one hundredth of a meter — about the width of a fingernail.
Worked example
To convert 5 in, multiply by 2.54: 5 in × 2.54 = 12.7 cm.
Inches to Centimeters conversion table
| Inches | Centimeters |
|---|---|
| 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 |
| 7 in | 17.78 cm |
| 8 in | 20.32 cm |
| 9 in | 22.86 cm |
| 10 in | 25.4 cm |
| 12 in | 30.48 cm |
| 15 in | 38.1 cm |
| 20 in | 50.8 cm |
| 25 in | 63.5 cm |
| 30 in | 76.2 cm |
| 40 in | 101.6 cm |
| 50 in | 127 cm |
| 75 in | 190.5 cm |
| 100 in | 254 cm |
| 250 in | 635 cm |
| 500 in | 1,270 cm |
| 1,000 in | 2,540 cm |
Frequently asked questions
How many centimeters are in an inch?
1 in equals 2.54 cm.
How do I convert inches to centimeters?
Use the formula cm = in × 2.54. For example, 5 in = 12.7 cm.
Last reviewed: October 2026 · Uses exact, internationally defined conversion factors.