inches to cm
Unit Converters

inches to cm

Convert inches to centimeters (or centimeters to inches) instantly. Type a value in either field and the other updates live; use the swap button to flip the direction.

cm to inches Convert centimeters to inches and back. feet to inches Convert feet to inches and back. feet to meters Convert feet to meters and back. Unit Converter Length, weight, temperature, volume, speed, and data.

How It Works

One inch is exactly 2.54 centimeters, so to convert inches to centimeters you multiply the number of inches by 2.54. To go the other way, divide centimeters by 2.54.

Frequently Asked Questions

What is the exact conversion from inches to centimeters?
One inch equals exactly 2.54 centimeters. To convert inches to centimeters, multiply the number of inches by 2.54.
How do I convert fractional inches like 5 1/2"?
Convert the fraction to a decimal first — 5 1/2 inches becomes 5.5 — then multiply by 2.54 to get 13.97 centimeters.
Why is the inch defined as exactly 2.54 cm?
In 1959 the major English-speaking countries agreed on a standardized international inch of exactly 25.4 millimeters, which makes the 2.54 centimeter value exact by definition.

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