Centimetres to Inches
Enter a length in centimetres to see it in inches. Handy for heights, screen sizes and clothing.
How to convert cm to inches
Divide the number of centimetres by 2.54. One inch is defined as exactly 2.54 cm.
inches = centimetres ÷ 2.54
For example, a height of 170 cm is 66.93 inches, which is 5 feet 6.9 inches, or about 5 ft 7 in.
Converting height to feet and inches
Divide the inches by 12 to get whole feet. The remainder is the extra inches. So 66.93 inches is 5 feet (60 inches) plus 6.93 inches.
Cm to inches reference table
| Centimetres (cm) | Inches (in) |
|---|---|
| 1 | 0.3937 |
| 5 | 1.9685 |
| 10 | 3.937 |
| 25 | 9.8425 |
| 50 | 19.685 |
| 100 | 39.3701 |
| 150 | 59.0551 |
| 160 | 62.9921 |
| 170 | 66.9291 |
| 180 | 70.8661 |
To convert inches to centimetres, use the swap button, or multiply the inches by 2.54.
Frequently asked questions
How many cm are in an inch?
Exactly 2.54 cm.
How many inches are in 100 cm?
100 cm is 39.3701 inches, a little over 3 feet 3 inches.
Is there a faster way to estimate?
Multiply centimetres by 0.4. For 50 cm, 50 × 0.4 = 20 inches, near the exact 19.69.