Inches to Centimeters Converter
Enter a length in inches to see it in centimeters right away. Edit either box and the other updates live. The math runs in your browser.
How to convert inches to centimeters
- Type the length in inches into the left box.
- Read the centimeter value in the right box as it updates live.
- Edit the centimeter box instead to convert back to inches.
Examples
One inch
1 in
2.54 cm
One foot
12 in
30.48 cm
Frequently asked questions
What is the formula to convert inches to centimeters?
Multiply the inches value by 2.54. So cm = in times 2.54. For example, 10 inches becomes 10 times 2.54, which is 25.4 cm.
What are some common inches to centimeters conversions?
1 in is 2.54 cm, 6 in is 15.24 cm, 12 in (one foot) is 30.48 cm, and 36 in (one yard) is 91.44 cm.
Is this conversion exact?
Yes. One inch is defined as exactly 2.54 cm, so the factor is exact. Results are rounded for display, but the underlying calculation is precise.
How do I convert screen and TV sizes from inches to cm?
Screen and TV sizes measure the diagonal in inches, so multiply by 2.54. A 32 inch screen is about 81.3 cm and a 55 inch TV is about 139.7 cm diagonally.
How many centimeters are in a foot?
A foot is 12 inches, and 12 times 2.54 is 30.48, so one foot equals 30.48 cm.
Is my data sent anywhere?
No. The conversion runs entirely in your browser, so the lengths you enter never leave your device.
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