cm to in Converter

Convert centimeters to inches instantly using the exact factor: 1 inch = 2.54 centimeters.

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Length Converter

Convert length units instantly

1 cm = 0.393701 in
Live conversion result
How it works

Base unit: m. Values convert via the base unit for this category.

Formula (scale-only): in = cm × 0.393701
That is, multiply by 0.393701 to convert cm to in.
Examples
  • 1 cm = 0.393701 in
  • 5 cm = 1.9685 in
Tips
  • 1 inch is exactly 2.54 centimeters (defined since 1959).
  • The international foot is exactly 0.3048 meters.

Popular conversions

cmin
10.393701
51.9685
103.93701
10039.3701

Examples

  • 10 cm = 3.93701 in
  • Common height example:180 cm = 70.8661 in

How to convert

in = cm × 0.393701. Multiply the value in cm by 0.393701 to get in.

Related conversions

inches to cmmeters to feetfeet to metersmm to inchesinches to mmkm to miles

FAQs

  • How many inches are in 1 cm?

    There are 0.3937007874 inches in 1 centimeter (exactly 1/2.54).

  • What is the formula for cm to inches?

    inches = centimeters ÷ 2.54. Multiply the value in cm by 0.3937007874 to get inches.

  • Why 2.54 cm per inch?

    The inch is defined as exactly 2.54 centimeters by international agreement since 1959.