Centimeters to Inches Converter

Convert centimeters to inches with a free calculator

How to Convert Centimeters to Inches

Formula: 1 cm = 0.3937007874 in

Multiply your centimeters value by 0.3937007874 to get the equivalent in inches. The conversion factor 0.3937007874 is based on the internationally accepted definitions of both units.

Centimeters to Inches Reference Table

Centimeters (cm)Inches (in)
1 cm0.3937007874 in
5 cm1.968503937 in
10 cm3.937007874 in
25 cm9.842519685 in
50 cm19.68503937 in
100 cm39.37007874 in
500 cm196.8503937 in
1000 cm393.7007874 in

Related Conversions

Inches to Centimeters All Unit Conversions

Frequently Asked Questions

How many inches are in 1 cm? +
1 centimeter equals 0.393701 inches. To convert, divide the cm value by 2.54.
What is 10 cm in inches? +
10 cm is about 3.937 inches. A quick mental shortcut: divide cm by 2.5 for a rough estimate.
Why does the US use inches instead of centimeters? +
The US inherited the imperial system from Britain before metrication. Congress authorized metric use in 1866 but never mandated it, so inches stuck around.
How do I convert cm to inches on a ruler? +
Most rulers have cm on one edge and inches on the other. Otherwise, multiply cm by 0.3937 or divide by 2.54.