in × 2.54 = cm
One inch equals 2.54 centimeters.Conversion lab / length
Inches to Centimeters Converter
Convert inches to centimeters instantly using the exact 2.54 centimeters-per-inch definition.
Inches to Centimeters Converter: 1 inch = 2.54 centimeters. To convert any amount, multiply the number of inches by 2.54. TOEA calculates with the full stored factor (in × 2.54 = cm) and keeps the calculation in your browser. Runs 100% locally in your browser with zero server file uploads.
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Result / live
2.54
cmcentimeters
1 in2.54 cm
6 in15.24 cm
12 in30.48 cm
24 in60.96 cm
36 in91.44 cm
Inches to centimeters conversion table
| inches (in) | centimeters (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 |
| 6 in | 15.24 cm |
| 7 in | 17.78 cm |
| 8 in | 20.32 cm |
| 9 in | 22.86 cm |
| 10 in | 25.4 cm |
| 12 in | 30.48 cm |
| 15 in | 38.1 cm |
| inches (in) | centimeters (cm) |
|---|---|
| 20 in | 50.8 cm |
| 24 in | 60.96 cm |
| 25 in | 63.5 cm |
| 30 in | 76.2 cm |
| 36 in | 91.44 cm |
| 40 in | 101.6 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 |
Rounded to seven significant digits; the converter above uses the full factor.
Worked examples
Multiply the number of inches by 2.54:
6 in × 2.54 = 15.24 cm12 in × 2.54 = 30.48 cm24 in × 2.54 = 60.96 cm
How to use it
- Enter the number of inches you want to convert.
- Read the centimeters result as it updates.
- Copy the result or open the reverse conversion.
Privacy & limitations
Your value never leaves this browser. JavaScript floating-point arithmetic can round the last displayed digit for very large or highly precise values; do not use this general utility where regulated measurement traceability is required.
Related tools
Frequently asked questions
What formula converts inches to centimeters?
in × 2.54 = cm. The result is displayed with up to 8 decimal places without changing the underlying calculation.
How many centimeters is 36 in?
36 in = 91.44 cm. Multiply 36 by 2.54 to get it, or find it in the conversion table.
How do I convert centimeters back to inches?
Divide by 2.54, or open the reverse converter, which uses the exact reciprocal of the same factor.
Can I enter zero, decimals, or negative values?
Yes. You can type fractions such as 3/8 or mixed numbers such as 1 3/8, as well as decimals, zero and negative values. Whether a negative measurement is meaningful depends on your use case.
Is this conversion performed online?
The page is online, but the number you type is converted locally in your browser and is not sent to TOEA.
Embed this tool
Free to use on any website. Paste the code where the tool should appear; the link under it lets readers open the full page.
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