EngiRef / Length conversion
Convert Inches to Centimeters (in to cm)
1 in = 2.54 cm. Convert inches to centimeters with the exact factor, a common-values table and a free converter.
Conversion factor
cm = in × 2.54
1 in = 2.54 cm
Multiply by 2.54 cm to go from inches to centimeters, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.
in to cm table
| Inches (in) | Centimeters (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 20 in | 50.8 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
Every figure is computed at build time by the site’s own converter from the length unit registry. For a value that is not listed, put it into the interactive converter.
Frequently asked questions
How many centimeters are in one inch?
One inch is 2.54 cm, so 100 in is 254 cm.
What is the formula to convert inches to centimeters?
cm = in × 2.54. Multiply the value in inches by 2.54 to get centimeters.
How do I convert centimeters back to inches?
in = cm × 0.393700787, so 1 cm is 0.393700787 in. The cm to in page carries the same table in that direction.