EngiRef / Length conversion
Convert Centimeters to Inches (cm to in)
1 cm = 0.393700787 in. Convert centimeters to inches with the exact factor, a common-values table and a free converter.
Conversion factor
in = cm × 0.393700787
1 cm = 0.393700787 in
Multiply by 0.393700787 in to go from centimeters to inches, 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.
cm to in table
| Centimeters (cm) | Inches (in) |
|---|---|
| 1 cm | 0.393700787 in |
| 2 cm | 0.787401575 in |
| 5 cm | 1.96850394 in |
| 10 cm | 3.93700787 in |
| 20 cm | 7.87401575 in |
| 50 cm | 19.6850394 in |
| 100 cm | 39.3700787 in |
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 inches are in one centimeter?
One centimeter is 0.393700787 in, so 100 cm is 39.3700787 in.
What is the formula to convert centimeters to inches?
in = cm × 0.393700787. Multiply the value in centimeters by 0.393700787 to get inches.
How do I convert inches back to centimeters?
cm = in × 2.54, so 1 in is 2.54 cm. The in to cm page carries the same table in that direction.