Centimeters to Inches Converter
Enter a length in centimeters to see it in inches right away. Edit either box and the other updates live. The math runs in your browser.
How to convert centimeters to inches
- Type the length in centimeters into the left box.
- Read the value in inches in the right box as it updates live.
- Edit the inches box instead to convert back to centimeters.
Examples
The exact definition
2.54 cm
1 in
Ten centimeters
10 cm
3.937 in
Frequently asked questions
What is the formula to convert centimeters to inches?
Divide the centimeter value by 2.54, because one inch is defined as exactly 2.54 cm. So inches = cm / 2.54. For example, 10 cm becomes 10 / 2.54, which is about 3.937 inches.
What are some common centimeter to inch conversions?
2.54 cm is 1 inch, 5 cm is about 1.97 inches, 10 cm is about 3.94 inches, 30.48 cm is exactly 12 inches (one foot), and 100 cm is about 39.37 inches.
Is this conversion exact?
The factor is exact: one inch is exactly 2.54 cm by definition. So 2.54 cm is exactly 1 inch and 30.48 cm is exactly 12 inches. Results are rounded for display, but the underlying calculation is precise.
How do I convert my height from centimeters to inches?
Divide your height in cm by 2.54 to get total inches, then divide by 12 for feet. For example, 170 cm is about 66.93 inches, which is roughly 5 feet 7 inches.
How many inches are in a centimeter?
One centimeter equals about 0.3937 inches. Put another way, there are roughly 2.54 centimeters in every inch.
Is my data sent anywhere?
No. The conversion runs entirely in your browser, so the values you enter never leave your device.
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