Centimetres to inches
Enter a value in centimetres to convert it to inches. 1 cm = 0.3937 in.
1 cm = 0.3937 in
Formula
in = cm ÷ 2.54
Worked example
30 cm ÷ 2.54 = 11.811 in
Results on this page are rounded to 4 decimal places (4 significant figures below 1). Use the decimal places option above for a different rounding.
Centimetres to inches table
| Centimetres (cm) | Inches (in) |
|---|---|
| 1 cm | 0.3937 in |
| 2 cm | 0.7874 in |
| 5 cm | 1.9685 in |
| 10 cm | 3.937 in |
| 15 cm | 5.9055 in |
| 20 cm | 7.874 in |
| 25 cm | 9.8425 in |
| 30 cm | 11.811 in |
| 40 cm | 15.748 in |
| 50 cm | 19.685 in |
| 60 cm | 23.622 in |
| 75 cm | 29.5276 in |
| 100 cm | 39.3701 in |
| 150 cm | 59.0551 in |
| 200 cm | 78.7402 in |
Good to know
The international inch has been defined as exactly 2.54 cm since 1959, and a foot is 12 inches (exactly 0.3048 m), so these conversions are exact. Only the rounding of the answer changes.