Inches to Centimetres Converter
Convert inch to centimetre instantly. Type a value below — the result updates as you type.
When you need to convert inch to centimetre
Length conversions come up constantly in DIY, travel and online shopping — sizing furniture, reading a height in a different system, or checking a screen or fabric measurement listed in unfamiliar units.
Heights, clothing sizes, TV and monitor diagonals and paper sizes are common reasons to switch between centimetres and inches.
Typical values: 0.5 in is about 1.27 cm, and 100 in works out to roughly 254 cm. Because the ratio is fixed at 2.54, you can scale any amount linearly — doubling the inches doubles the centimetres.
Metric and imperial length units coexist worldwide, so the same object is often quoted two ways depending on the country.
How to convert inch to centimetre
One inch equals 2.54 centimetres. To convert, multiply the number of inches by 2.54:
centimetres = inches × 2.54
For example, 10 inches × 2.54 = 25.4 centimetres.
Inches to centimetres conversion table
| Length (in) | Centimetres (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 20 in | 50.8 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
FAQ
How many centimetres are in a inch?
One inch = 2.54 centimetres.
How do I convert centimetres back to inches?
Divide by 2.54, or use the centimetres to inches converter.