How to convert centimetres to inches
To convert a length in centimetres to inches, divide it by 2.54, because one inch is defined as exactly 2.54 centimetres. The converter above does it instantly as you type, in either direction.
inches = centimetres ÷ 2.54
For example, 10 cm ÷ 2.54 = 3.937 inches. One centimetre is about 0.3937 inches.
Centimetres to Inches conversion table
| Centimetres | Inches |
|---|
Worked examples
Convert 30 cm to inches
30 ÷ 2.54 = 11.81 inches.
Convert 170 cm to inches (a common height)
170 ÷ 2.54 = 66.93 inches, i.e. about 5 feet 7 inches.
Frequently asked questions
One centimetre equals 0.3937 inches. To go the other way, one inch equals 2.54 cm.
Yes. The inch is defined as exactly 2.54 cm, so the conversion factor is exact, not an approximation.
Convert to inches first, then divide by 12 for the feet and keep the remainder as inches. 170 cm = 66.93 in = 5 ft 6.9 in.