Convert centimetres to inches
1 cm = 0.39 in. Type any value below for an instant conversion.
1 cm = 0.39 in
Formula
in = cm × 0.3937007874Worked example: 30 cm × 0.3937007874 = 11.81 in
One inch is exactly 2.54 centimetres by international definition. Human height is the most common use: 180 cm is 70.9 inches, or 5 feet 10.9 inches.
centimetres to inches conversion table
| centimetres (cm) | inches (in) |
|---|---|
| 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 |
| 25 cm | 9.84 in |
| 30 cm | 11.81 in |
| 50 cm | 19.69 in |
| 100 cm | 39.37 in |
| 150 cm | 59.06 in |
| 180 cm | 70.87 in |
| 200 cm | 78.74 in |
Frequently asked questions
How many inches are in one centimetre?
One centimetre equals 0.39 inches.
How do I convert centimetres to inches?
Multiply the number of centimetres by 0.3937007874. For example, 30 cm × 0.3937007874 = 11.81 in.
Is this cm to in conversion exact?
The conversion factor of 0.3937007874 is used at full floating-point precision and rounded only for display, so the result is accurate for scientific, engineering and everyday use.
What is the reverse conversion?
To go the other way, use the in to cm converter. The reverse factor is 2.54.
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