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Convert inches to cm
Type a length in inches to get it in centimeters. An inch is exactly 2.54 cm, so the converter multiplies by 2.54. The chart below goes up to a yard.
Result
30.48 centimeters
1 inch = 2.54 centimeters
Inches to centimeters chart
| Inches (in) | Centimeters (cm) |
|---|---|
| 1 | 2.54 |
| 2 | 5.08 |
| 3 | 7.62 |
| 4 | 10.16 |
| 5 | 12.7 |
| 6 | 15.24 |
| 7 | 17.78 |
| 8 | 20.32 |
| 9 | 22.86 |
| 10 | 25.4 |
| 11 | 27.94 |
| 12 | 30.48 |
| 18 | 45.72 |
| 24 | 60.96 |
| 36 | 91.44 |
In every unit
| Unit | Value |
|---|---|
| Millimeters (mm) | 304.8 |
| Centimeters (cm) | 30.48 |
| Meters (m) | 0.3048 |
| Kilometers (km) | 0.0003048 |
| Feet (ft) | 1 |
| Yards (yd) | 0.3333333333 |
| Miles (mi) | 0.0001893939394 |
| Nautical miles (nmi) | 0.0001645788337 |
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How to convert inches to cm
- Type the length in inches.
- Read it in centimeters. The result updates as you type.
- To go from centimeters to inches, press Swap units, or look the value up in the chart.
Questions
Are my values sent anywhere?
No. The calculator works in your browser on this device. Your values are never uploaded or stored, and they’re gone when you close the page.
How many cm is an inch?
Exactly 2.54 centimeters. That has been the definition of the international inch since 1959, so multiplying by 2.54 gives an exact answer: 12 inches is 30.48 cm.
How do I convert feet and inches to cm?
Multiply the feet by 12, add the inches, then multiply by 2.54. 5 feet 9 inches is 69 inches, or 175.26 cm.