How to convert inches to centimetres
cm = in × 2.54
Example: 5 in × 2.54 = 12.7 cm
Inches to Centimeters table
| Inches (in) | Centimeters (cm) |
|---|---|
| 0.5 in | 1.27 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 |
| 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 |
About these units
Inches (in): An inch is exactly 2.54 centimetres by international agreement (1959). There are 12 inches in a foot.
Centimeters (cm): A centimetre is one hundredth of a metre (0.01 m). It is the everyday metric unit for body height, clothing and small objects.
Frequently asked questions
How many centimetres are in 1 inch?
1 inch equals 2.54 centimetres (cm).
How do I convert in to cm?
Multiply the value in inches by 2.54. For example, 5 in × 2.54 = 12.7 cm.
How do I convert centimetres back to inches?
Multiply by 0.3937007874 (or divide by 2.54). 1 cm = 0.3937007874 in.
What is an inch?
An inch is exactly 2.54 centimetres by international agreement (1959). There are 12 inches in a foot.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every length unit at once? Use the Length Converter.