Inches to CM Converter
Handy for screen sizes, waist and inseam measurements, and product dimensions listed in inches.
1 in = 2.54 cm
centimeters
1 in = 2.54 cm
How to convert inches to centimeters
Multiply the number of inches by 2.54.
Formula
cm = in × 2.54
Examples
- 6 in × 2.54 = 15.24 cm
- 32 in × 2.54 = 81.28 cm
- 55 in × 2.54 = 139.7 cm
Inches to centimeters conversion table
| Inches (in) | Centimeters (cm) |
|---|---|
| 1 | 2.54 |
| 2 | 5.08 |
| 3 | 7.62 |
| 4 | 10.16 |
| 5 | 12.7 |
| 6 | 15.24 |
| 8 | 20.32 |
| 10 | 25.4 |
| 12 | 30.48 |
| 15 | 38.1 |
| 24 | 60.96 |
| 27 | 68.58 |
| 32 | 81.28 |
| 43 | 109.22 |
| 55 | 139.7 |
| 65 | 165.1 |
Values rounded to 4 decimal places or 4 significant digits.
About inches
The inch has been defined as exactly 2.54 centimeters since the 1959 international yard and pound agreement. It is used worldwide for screen sizes and wheel diameters, and in the US for most short measurements.
About centimeters
The centimeter is one hundredth of a meter, or 10 millimeters. In most of the world it is the everyday unit for body height, clothing measurements and anything you would measure with a school ruler.
Frequently asked questions
How many centimeters are in one inch?
One inch equals 2.54 centimeters.
How do I convert inches to centimeters?
Multiply the number of inches by 2.54. For example: 32 in × 2.54 = 81.28 cm.
How many inches are in one centimeter?
One centimeter equals 0.3937 inches.
Is the in to cm conversion exact?
Yes. The factor follows directly from the official definitions of both units, so the only rounding is in how many decimals are displayed.