Inches to cm
1 in = 2.54 cm. Type a figure below, or scan the table for the usual values.
Popular here
Common pairs in length.
Everything at once
Click a unit to convert into it.
32 categories, 300 units. Bare words follow UK usage: pint, gallon, mpg and ton are imperial; US versions are named.
Choose the unit to convert from
Search all 300 units by name, symbol or common spelling
Inches to cm quick table
| Inch (in) | Centimetre (cm) |
|---|---|
| 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 |
| 12 in | 30.48 cm |
| 15 in | 38.1 cm |
| 20 in | 50.8 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
How to convert inches to cm
Multiply the inch figure by 2.54 to get centimetre. Going the other way, divide by 2.54, which is the same as multiplying by 0.39370079.
cm = in × 2.54
Example: 9 in is 22.86 cm.
Questions
How many centimetre in a inch?
1 in is 2.54 cm. Multiply the inch figure by 2.54 to get centimetre. Going the other way, divide by 2.54, which is the same as multiplying by 0.39370079.
What is 9 in in cm?
9 in is 22.86 cm. Type any other figure into the converter above to see it instantly, and the full list under it shows the same amount in every unit of the length category.
Is inches to cm a simple multiplication?
Yes. Multiply by 2.54. The factor comes from the units' legal definitions, so the result is exact to the precision shown.
Conversion guides
Formula, quick table and worked examples for the common ones.