1 cm is 0.3937 inches and 30 cm is 11.81 inches. One inch is exactly 2.54 cm.
| Centimeters (cm) | Inches (in) |
|---|---|
| 1 | 0.39 |
| 2 | 0.79 |
| 3 | 1.18 |
| 4 | 1.57 |
| 5 | 1.97 |
| 6 | 2.36 |
| 7 | 2.76 |
| 8 | 3.15 |
| 9 | 3.54 |
| 10 | 3.94 |
| 11 | 4.33 |
| 12 | 4.72 |
| 13 | 5.12 |
| 14 | 5.51 |
| 15 | 5.91 |
| 16 | 6.30 |
| 17 | 6.69 |
| 18 | 7.09 |
| 19 | 7.48 |
| 20 | 7.87 |
| 21 | 8.27 |
| 22 | 8.66 |
| 23 | 9.06 |
| 24 | 9.45 |
| 25 | 9.84 |
| 26 | 10.24 |
| 27 | 10.63 |
| 28 | 11.02 |
| 29 | 11.42 |
| 30 | 11.81 |
| 31 | 12.20 |
| 32 | 12.60 |
| 33 | 12.99 |
| 34 | 13.39 |
| 35 | 13.78 |
| 36 | 14.17 |
| 37 | 14.57 |
| 38 | 14.96 |
| 39 | 15.35 |
| 40 | 15.75 |
How it is computed
Inches = centimeters ÷ 2.54. The inch has been defined as exactly 2.54 cm since 1959, so the only rounding is in the last decimal shown.
FAQ
How many centimeters are in an inch?+
Exactly 2.54 cm. To go from inches to centimeters, multiply by 2.54.
How do I turn a height in cm into feet and inches?+
Divide by 2.54 to get inches, then divide by 12: the whole number is feet and the remainder is inches. The calculator does both steps.