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Length conversion ยท The exact answer, the formula, nearby values, and the full chart
20 cm = 7.87402 in
20 centimeters is exactly 7.87402 inches. The working is shown below โ every figure on this page is computed with the exact conversion factor, not copied from a rounded chart.
20 ร 0.393701 = 7.87402 โ so 20 cm is 7.87402 in.
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| Centimeter (cm) | Inch (in) |
|---|---|
| 15 cm | 5.90551 in |
| 16 cm | 6.29921 in |
| 17 cm | 6.69291 in |
| 18 cm | 7.08661 in |
| 19 cm | 7.48031 in |
| 20 cmthis page | 7.87402 in |
| 21 cm | 8.26772 in |
| 22 cm | 8.66142 in |
| 23 cm | 9.05512 in |
| 24 cm | 9.44882 in |
| 25 cm | 9.84252 in |
20 cm is exactly 7.87402 in. The figure is computed with the exact conversion formula, not rounded from a chart: 20 ร 0.393701 = 7.87402 โ so 20 cm is 7.87402 in.
Inch = Centimeter ร 0.393701 โ so multiply any cm figure by 0.393701. To go the other way, divide by the same factor.
Divide by 2.5 โ about 1.6% over the exact result (one inch is exactly 2.54 cm). For 20 cm that gives 8 in against the exact 7.87402 in.
Use the Centimeter to Inch converter on this page for any value, or open the printable centimeter to inch chart to look up the whole range at a glance.
Need the opposite direction? Use the Inch to Centimeter Converter to convert inch back to centimeter.
Browse every tool in this category on the Length Converter hub page.