Inches to Centimeters Converter
Convert inches (in) to centimeters (cm) as you type — 1 in = 2.54 cm. Switch units, change the precision or copy the result.
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How to use this tool
Steps for using the Unit Converter.
- Enter a value in From — inches are already selected.
- The result in centimeters appears instantly. Change either unit to convert to anything else in length.
- Use the swap button for the reverse conversion, and set the decimal places you need.
- Turn on Show formula to see the calculation, then copy or share the result.
Example
1 in to cm
1 incm = 1 × 2.54 = 2.54 cmCommon use cases
- Converting heights, room dimensions and furniture sizes between metric and imperial.
- Running, cycling and driving distances in km and miles.
- Engineering drawings and 3D printing that mix millimeters and inches.
Inches to Centimeters 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 |
| 4 in | 10.16 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 15 in | 38.1 cm |
| Inch (in) | Centimeter (cm) |
|---|---|
| 20 in | 50.8 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 75 in | 190.5 cm |
| 100 in | 254 cm |
| 250 in | 635 cm |
| 500 in | 1,270 cm |
| 1,000 in | 2,540 cm |
Values rounded to 6 decimal places.
Related conversions
The units
- Inch (in)
- Exactly 2.54 cm. Part of the US customary system.
- Centimeter (cm)
- 1/100 m. Part of the Metric system.
How to convert inches to centimeters
Screen diagonals, tyre and wheel sizes and US measurements are given in inches; one inch is exactly 2.54 cm.
To convert inches to centimeters, use cm = in × 2.54. One inch equals 2.54 centimeters, and one centimeter equals 0.393701 inches.
Inch (in): Exactly 2.54 cm. Centimeter (cm): 1/100 m.
For the opposite direction, use the Centimeters to inches converter. All length units are on the length converter.
Limitations
- Results are rounded to the decimal places you choose; the calculation itself keeps full precision.
Frequently asked questions
How many centimeters are in a inch?
1 in = 2.54 cm. Multiply inches by 2.54 (or use cm = in × 2.54).
How do I convert inches to centimeters?
Use cm = in × 2.54. For example, 1 in = 2.54 cm and 10 in = 25.4 cm.
How many feet are in a meter?
1 meter = 3.28084 feet (exactly 1 ÷ 0.3048). One foot is exactly 0.3048 m.
Is a mile the same as a nautical mile?
No. A statute mile is 1,609.344 m; a nautical mile is 1,852 m — about 15% longer.