Convert INCHES to CM, Free
Type any INCHES value and see the CM result instantly. No button press needed.
How to convert INCHES to CM
Inches are used in the US, UK, and Canada for everyday measurements: screen sizes, paper dimensions, clothing sizes, and construction materials. When working with metric specifications or communicating measurements internationally, you need to convert inches to centimeters. The conversion is exact: one inch is defined as exactly 2.54 centimeters.
Multiply any inch value by 2.54 to get centimeters. BoltConverter does that calculation instantly as you type, so you get the centimeter equivalent for any inch measurement without touching a calculator. Common reference points: a US Letter sheet is 8.5 by 11 inches, which is 21.59 by 27.94 cm, and a 6-foot person is 72 inches or 182.88 cm.
Type the inch measurement
Enter any inch value in the input field. Fractions like 5.5 or 10.75 are supported.
Read the centimeter result
The CM equivalent appears instantly as you type, accurate to four decimal places.
Check feet-and-inches breakdowns
If you entered a large inch value, the converter also shows the feet-and-inches equivalent for easy cross-reference.
Copy the result
Select and copy the CM value, or switch to CM to Inches conversion using the link on the page.
Frequently asked questions
How many cm is 1 inch?
One inch equals exactly 2.54 centimeters. This is an international standard definition, not an approximation.
What is 6 inches in cm?
6 inches equals 15.24 cm.
What is 12 inches (1 foot) in cm?
12 inches equals 30.48 cm.
What is 5 feet 10 inches in cm?
5 feet 10 inches equals 70 total inches, which is 177.8 cm.
How do I convert inches to cm without a calculator?
Multiply by 2.54. For a quick mental estimate, multiply by 2.5 and accept a 1.6 percent error for most practical purposes.
Can I convert cm back to inches here?
Yes. Use the CM to Inches link on this page for the reverse conversion.