Unit Converter Express Version🧮
Inches to Centimeters
1 inch = 2.54 centimeters
To convert inches to centimeters, use the formula centimeters = inches × 2.54. Type any value in the converter above for an instant result — everything runs in your browser.
About these units
The inch is an imperial and US customary unit of length, defined as exactly 25.4 millimeters. The centimeter is the metric equivalent most of the world uses, so converting inches to centimeters is one of the most common conversions when dealing with American products, tools and measurements.
When you might need this conversion
- Converting a 55-inch TV screen to centimeters to compare with a metric listing
- Translating a US recipe's 9-inch cake pan into centimeters for a metric baking tin
- Converting lumber dimensions like a 2×4 into metric for an international project
Inches to Centimeters conversion table
| inches (in) | centimeters (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 5 in | 12.7 cm |
| 8 in | 20.32 cm |
| 10 in | 25.4 cm |
| 12 in | 30.48 cm |
| 20 in | 50.8 cm |
| 24 in | 60.96 cm |
| 36 in | 91.44 cm |
| 48 in | 121.92 cm |
| 60 in | 152.4 cm |
How to convert inches to centimeters
- Enter your value in the “From” box above.
- The result in centimeters appears instantly, using centimeters = inches × 2.54.
- Swap the units any time to convert back.
Frequently asked questions
How many centimeters are in an inch?
There are exactly 2.54 centimeters in one inch. Multiply inches by 2.54 to get centimeters.
How many cm is 12 inches (one foot)?
12 inches equals 30.48 centimeters, since 12 × 2.54 = 30.48.
Why is the inch exactly 2.54 cm?
In 1959 the United States and the Commonwealth countries agreed to define the inch as exactly 25.4 millimeters, standardizing it against the metric system.
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