Length Converter
Convert metric, imperial, navigation, and scientific length units with live results, accurate formulas, and reference tables.
Length conversion
Calculator
Results update instantly. Use Calculate to confirm the current conversion.
Result
1 cm ≈ 0.39370079 in
Live result is ready.
Popular length conversions
Open a focused converter for a commonly searched length conversion.
Conversion table
Common centimeters to inches values, generated from the selected units.
| centimeters (cm) | inches (in) |
|---|---|
| 1 centimeter | 0.39370079 inches |
| 5 centimeters | 1.96850394 inches |
| 10 centimeters | 3.93700787 inches |
| 20 centimeters | 7.87401575 inches |
| 50 centimeters | 19.68503937 inches |
| 100 centimeters | 39.37007874 inches |
Formula
Divide the value in centimeters by 2.54 to get inches.
in = cm ÷ 2.54Example
Convert 1 centimeter:
1 cm ≈ 0.39370079 in1 centimeter is approximately 0.39370079 inches.
Unit information
Concise reference information for the selected source and target units.
Centimeter (cm)
Metric- Definition
- One centimeter is one-hundredth of a meter.
- Usage
- Common for body measurements, household objects, maps, and schoolwork.
Inch (in)
Imperial- Definition
- One international inch equals exactly 25.4 millimeters.
- Usage
- Common in the United States and for screens, hardware, and construction materials.
Frequently asked questions
Which length units does this converter support?
The converter supports 14 units: millimeters, centimeters, meters, kilometers, inches, feet, yards, miles, nautical miles, micrometers, nanometers, light years, astronomical units, and parsecs.
How does the length converter calculate results?
Each value is converted to meters as a shared base unit, then converted from meters to the selected target unit.
Can the converter handle decimals, negative values, and zero?
Yes. The input accepts integers, decimals, negative values, and zero, and updates the result immediately.