CM to Inches Converter

Convert centimeters to inches and inches to centimeters instantly. 1 cm = 0.3937007874 in exactly.

Formula multiply the length value by 0.3937

Result: 1 centimeter = 0.3937007874 inch
OR
25⁄64 inch

Common preset

Definition: A centimeter (symbol: cm) is a unit of length in the International System of Units (SI), equal to one hundredth of a meter.

History/origin: Based on the SI meter; the prefix “centi” means one hundredth. Metric prefixes range from 10⁻¹⁸ to 10¹⁸.

Current use: Commonly used worldwide for small length measurements, including human height.

Definition: An inch (symbol: in) is a unit of length in the imperial and US customary systems, defined as exactly 25.4 millimeters.

History/origin: Derived from Latin “uncia”, meaning one-twelfth of a Roman foot; historically measured by barleycorns or thumb width.

Current use: Used mainly in the United States, Canada, and the UK for measurements like display size and construction.

How to convert centimeters to inches?

1 cm = 0.3937007874 in
1 in = 2.54 cm
Example: 15 cm × 0.3937 = 5.9055 in

How many inches in 1 cm?

There are 0.3937 inches in 1 centimeter.

How many centimeters in 1 inch?

There are 2.54 centimeters in 1 inch.