Centimeters to inches
1 centimeter = 0.3937 inches
For any other value: in = cm × 0.3937007874
Calculator
15.748 in
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You can leave the unit in: 100 cm is fine.
Centimeters to inches chart
The values people look up most.
| centimeters | inches |
|---|---|
| 40 cm | 15.748 in |
| 15 cm | 5.9055 in |
| 20 cm | 7.874 in |
| 2 cm | 0.7874 in |
| 10 cm | 3.937 in |
| 1 cm | 0.3937 in |
| 17 cm | 6.6929 in |
| 5 cm | 1.9685 in |
| 16 cm | 6.2992 in |
| 12 cm | 4.7244 in |
| 21 cm | 8.2677 in |
| 30 cm | 11.811 in |
| 50 cm | 19.685 in |
| 6 cm | 2.3622 in |
| 175 cm | 68.8976 in |
| 14 cm | 5.5118 in |
| 3 cm | 1.1811 in |
| 60 cm | 23.622 in |
| 23 cm | 9.0551 in |
| 25 cm | 9.8425 in |
| 18 cm | 7.0866 in |
| 45 cm | 17.7165 in |
| 180 cm | 70.8661 in |
| 172 cm | 67.7165 in |
| 80 cm | 31.4961 in |
| 13 cm | 5.1181 in |
| 7 cm | 2.7559 in |
| 168 cm | 66.1417 in |
| 24 cm | 9.4488 in |
| 9 cm | 3.5433 in |
Formula
in = cm × 0.3937007874
Screen sizes are measured diagonally, so a 40 cm screen is not 40 cm wide.
Where this number comes from
This factor is exact, not rounded. Derived from the inch of exactly 25.4 mm (1959 agreement).
Source: NIST Guide to the SI, Appendix B: Conversion Factors, NIST (National Institute of Standards and Technology, USA).
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