Enter any length in centimeters to get inches, feet and millimeters instantly.
This free cm to inches converter uses the exact international factor: 1 inch = 2.54 centimeters (defined exactly since 1959). To convert cm to inches, divide by 2.54. To convert inches to cm, multiply by 2.54.
Centimeters are the standard length unit in most countries that use the metric system, while inches are used primarily in the US, UK, and Canada for certain measurements (screen sizes, heights). Both units appear in everyday life — clothing labels, TV sizes, and construction measurements frequently use both.
Quick reference: 1 in = 2.54 cm · 1 ft = 30.48 cm · 10 cm = 3.94 in · 30 cm = 11.81 in · 100 cm = 39.37 in · 180 cm = 5 ft 10.87 in