How to convert inches to centimetres
To convert inches to centimetres, multiply by 2.54, since one inch is exactly 2.54 centimetres. The live converter handles whole numbers and decimals in both directions.
centimetres = inches × 2.54
For example, 6 inches × 2.54 = 15.24 cm. One inch is exactly 2.54 cm.
Inches to Centimetres conversion table
| Inches | Centimetres |
|---|
Worked examples
Convert 12 inches (1 foot) to cm
12 × 2.54 = 30.48 cm.
Convert 36 inches (1 yard) to cm
36 × 2.54 = 91.44 cm.
Frequently asked questions
Exactly 2.54 cm. The inch has been defined as 2.54 cm since 1959.
Multiply the feet by 12, add the extra inches, then multiply the total by 2.54. 5 ft 7 in = 67 in = 170.18 cm.
Most of the world uses the metric system, so converting inches to centimetres is useful for clothing sizes, screen sizes, height and DIY measurements.