Inch to Centimeter Converter
1 inch is exactly 2.54 centimeters. Convert inches (in) to centimeters (cm) below: type a value and the result updates as you type.
in to cm calculator
Result
Inch to Centimeter conversion
1 in = 2.54 cmone inch in centimeters
1 cm ≈ 0.3937007874 inone centimeter in inches
Inch (in): Exactly 0.0254 meters (international inch).
Centimeter (cm): One hundredth of a meter.
Source:Inch: International yard and pound agreement (1959); Centimeter: SI Brochure, 9th edition (BIPM, 2019)
How to convert inches to centimeters
To convert inches to centimeters, multiply the number of inches by 2.54.
Formula
cm = in × 2.54
Examples
- 5 in = 5 × 2.54 = 12.7 cm
- 25 in = 25 × 2.54 = 63.5 cm
- 100 in = 100 × 2.54 = 254 cm
Inch to Centimeter conversion table
| Inch (in) | Centimeter (cm) |
|---|---|
| 0.1 in | 0.254 cm |
| 0.5 in | 1.27 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 |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
| 250 in | 635 cm |
| 500 in | 1270 cm |
| 1000 in | 2540 cm |
Values rounded to 10 significant digits where needed.
Common conversions
Frequently asked questions
- How many centimeters are in one inch?
- One inch is exactly 2.54 centimeters.
- How do I convert centimeters to inches?
- To convert centimeters to inches, divide the number of centimeters by 2.54. The formula is in = cm ÷ 2.54.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 2.54 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a inch or a centimeter?
- A inch is 2.54 times larger than a centimeter. In other words, a centimeter is about 0.3937007874 of a inch.