MM to Inches Converter
Millimeters ↔ inches.
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CM to Inches Converter
Convert centimeters to inches and back, instantly.
Result
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Converted value.
| You entered | — |
|---|---|
| 1 cm = | — |
| Reverse | — |
| Formula | — |
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Enter your figures above to see the step-by-step working.
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How the CM to Inches Converter Works
Converting between cm and in is a single multiplication: inches = cm ÷ 2.54. Type a value, pick the direction, and this converter gives the exact result instantly — both ways, so it handles cm to in and in back to cm.
One inch is defined as exactly 2.54 centimeters, so a centimeter is about 0.3937 inches. It comes up constantly with screen sizes, height, paper and craft measurements.
inches = cm ÷ 2.54
Frequently Asked Questions
How many inches is 1 cm?
One centimeter is 0.3937 inches. To go the other way, one inch is exactly 2.54 centimeters.
How do I convert cm to inches?
Divide the centimeters by 2.54, or multiply by 0.3937. For example, 10 cm is about 3.94 inches.
Is the inch exactly 2.54 cm?
Yes. Since 1959 the inch has been defined as exactly 2.54 centimeters, so the conversion is exact.
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