Inches to Centimeters Converter
Convert Inches to Centimeters (in to cm) instantly. Type a value and the result updates as you go, accurate to the full international standard.
Inches to Centimeters: the formula
One inch equals exactly 2.54 centimeters. So to convert any length from Inches to Centimeters, you multiply by 2.54:
Worked example
Convert 10 in to Centimeters: 10 × 2.54 = 25.4 cm.
Quick conversion table
| Inches | Centimeters |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
How to use this converter
Type your measurement into the Inches box and read the Centimeters result instantly. You can also type into the Centimeters box to convert in the reverse direction. Results update live as you type, no button needed.
Frequently asked questions
How do you convert Inches to Centimeters?
Multiply the inch value by 2.54. Because 1 inch equals exactly 2.54 centimeters, the formula is: cm = in × 2.54.
How many Centimeters are in one inch?
One inch equals 2.54 centimeters. Conversely, one centimeter equals 0.39370079 inchs.
Is this in to cm conversion exact?
Yes. It uses the internationally agreed definitions (1 inch = 0.0254 m exactly, 1 mile = 1609.344 m, etc.), so results are accurate to the full precision shown.
Can I convert Centimeters back to Inches?
Yes, to go the other way, multiply the centimeter value by 0.39370079 (or divide by 2.54).
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