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How to use the CM to Inches
- 1Type the value you want to convert.
- 2The result updates instantly as you type.
- 3Use the swap button to convert in the other direction, or check the chart below.
Conversion formula
1 inch is defined as exactly 2.54 centimeters, so inches = centimeters ÷ 2.54 (or × 0.393701).
Example: 30 cm ÷ 2.54 = 11.81 inches. A 170 cm person is about 66.9 inches, or 5 ft 7 in.
When you need it
Useful for clothing sizes, screen sizes, furniture, height and paper dimensions when switching between metric and US measurements.
Centimetres to inches chart
1 inch is exactly 2.54 cm, so divide centimetres by 2.54.
| Centimetres | Inches | Feet & inches |
|---|---|---|
| 1 cm | 0.39 in | — |
| 5 cm | 1.97 in | — |
| 10 cm | 3.94 in | — |
| 15 cm | 5.91 in | — |
| 20 cm | 7.87 in | — |
| 30 cm | 11.81 in | — |
| 50 cm | 19.69 in | 1′ 7.7″ |
| 100 cm | 39.37 in | 3′ 3.4″ |
| 150 cm | 59.06 in | 4′ 11.1″ |
| 160 cm | 62.99 in | 5′ 3.0″ |
| 170 cm | 66.93 in | 5′ 6.9″ |
| 180 cm | 70.87 in | 5′ 10.9″ |
Frequently asked questions
How many inches is 1 cm?
1 cm equals 0.393701 inches.
How do I convert cm to feet and inches?
Divide by 2.54 to get inches, then divide by 12: the whole number is feet and the remainder is inches. For example, 180 cm = 70.87 in = 5 ft 10.9 in.
How tall is 170 cm in feet?
170 cm is 5 feet 6.9 inches (66.9 inches). 180 cm is 5 feet 10.9 inches.