Inches to Centimeters — Free Length Calculator
Convert inches to centimeters and back instantly. Includes the exact formula and common sizes. No registration.
Result
2.54
Centimeter (cm)
Formula: 1 Inch = 2.54 Centimeter
Conversion formula
1 inch = 2.54 cm (exact)
Multiply inches by 2.54 to get centimeters, or divide centimeters by 2.54 to get inches. Enter decimals for fractional measurements.
Worked example
10 inches is 25.4 cm; 12 inches is 30.48 cm. A 27-inch screen has a 68.58 cm diagonal, not width: width also depends on the aspect ratio.
Conversion table
| in | cm |
|---|---|
| 1 | 2.54 |
| 5 | 12.7 |
| 10 | 25.4 |
| 12 | 30.48 |
| 24 | 60.96 |
| 27 | 68.58 |
| 32 | 81.28 |
| 55 | 139.7 |
Values are rounded to six decimal places. The calculator keeps more precision.