Bidirectional length conversion
Centimetres & Inches Converter (cm ⇄ inches)
1 centimetre equals 0.393701 inches, and 1 inch is exactly 2.54 centimetres. Enter either value to convert both directions instantly.
International standard: 1 inch ≡ 2.54 cm exactly
Input
Value and units
Values convert through metres before the target unit. This page does not save input.
Result
Centimetre → Inch
0.393701in
| Unit | Value |
|---|---|
| Millimetre (mm) | 10 |
| Centimetre (cm) | 1 |
| Metre (m) | 0.01 |
| Kilometre (km) | 0.00001 |
| Inch (in) | 0.393701 |
| Foot (ft) | 0.0328084 |
| Yard (yd) | 0.0109361 |
| Mile (mi) | 0.00000621371 |
Conversion basis
Standard conversion between cm and inches
1 inch is internationally defined as exactly 25.4 millimetres (2.54 centimetres). To convert cm to inches, divide by 2.54 or multiply by 0.393700787.
Commonly used for body measurements, screen display dimensions, clothing sizes, and international shipping packages.
inches = cm ÷ 2.54 | cm = inches × 2.54
FAQ
Centimetres & Inches Converter (cm ⇄ inches) · FAQ
How many inches is 1 cm?
1 cm is approximately 0.393701 inches.
How many cm is 1 inch?
1 inch is exactly 2.54 cm (25.4 mm). To convert inches to cm, simply multiply by 2.54.
How many inches is 10 cm?
10 cm is approximately 3.937 inches.
What is the formula to convert cm to inches?
Divide the value in centimetres by 2.54.