Inches to centimeters
Convert between metric, imperial, US customary, nautical, typographic and astronomical measures of distance.
Converter
Inch to Centimeter at a glance
21 rows| Inch | Centimeter |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 4 in | 10.16 cm |
| 5 in | 12.7 cm |
| 6 in | 15.24 cm |
| 7 in | 17.78 cm |
| 8 in | 20.32 cm |
| 9 in | 22.86 cm |
| 10 in | 25.4 cm |
| 15 in | 38.1 cm |
| 20 in | 50.8 cm |
| 25 in | 63.5 cm |
| 30 in | 76.2 cm |
| 40 in | 101.6 cm |
| 50 in | 127 cm |
| 75 in | 190.5 cm |
| 100 in | 254 cm |
| 250 in | 635 cm |
| 500 in | 1,270 cm |
| 1,000 in | 2,540 cm |
Quick pairs
tap to loadHow the inch to centimeter conversion works
The meter is the SI base unit; every other length here is defined as an exact multiple of it.
Multiply by 2.54 to go from inch to centimeter:
cm = in × 2.54
Going the other way, multiply by 0.3937007874, which is the same as dividing by 2.54.
Questions
How many centimeter are in one inch?
One inch equals 2.54 centimeter.
Which units does this length converter cover?
38 units in total, all referenced to the meter. They include kilometer, hectometer, dekameter, meter, decimeter, centimeter and more. Pick any pair from the two dropdown lists.
How precise are the results?
Every conversion is computed in your browser at double precision from the factors listed on this page, which follow the SI definitions and the exact international agreements for imperial and US customary units. Use the Decimals control to round the display without changing the underlying value.
Does anything I type leave my device?
No. The converter is plain JavaScript running locally, with no server round-trip, and the page keeps working offline once loaded.