CM to Inches Converter
Turn centimetres into inches for heights, screen sizes, clothing and DIY measurements.
Quick answer
1 centimetre = 0.3937 inches. Divide centimetres by 2.54 to get inches — for example 30 cm ÷ 2.54 = 11.81 in. Going the other way? Use inches to cm.
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- Updated October 2026
About the CM to Inches converter
An inch is defined as exactly 2.54 centimetres, so to convert cm to inches you divide by 2.54 (or multiply by about 0.3937).
For heights, convert to total inches first and then split into feet: 175 cm ÷ 2.54 = 68.9 in, which is 5 ft 8.9 in.
How to use it
- Enter the length in centimetres.
- Read the result in inches.
- Use the table for common values.
Centimetres to inches table
| Centimetres (cm) | Inches (in) |
|---|---|
| 1 cm | 0.39 in |
| 2 cm | 0.79 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 |
| 40 cm | 15.75 in |
| 50 cm | 19.69 in |
| 60 cm | 23.62 in |
| 75 cm | 29.53 in |
| 100 cm | 39.37 in |
| 150 cm | 59.06 in |
| 160 cm | 62.99 in |
| 170 cm | 66.93 in |
| 180 cm | 70.87 in |
| 200 cm | 78.74 in |
The formula
inches = cm ÷ 2.54
- Example: 30 cm ÷ 2.54 = 11.81 in.
Frequently asked questions
How many inches is 1 cm?
About 0.3937 inches.
What is 170 cm in feet and inches?
170 ÷ 2.54 = 66.93 inches, which is 5 feet 6.9 inches.
Results are estimates for planning — check critical figures with a professional or the official source.
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