Convert Centimeters to Inches

cm to inches
inches to cm

Visual Comparison

one inch
one cm

How To Calculate

6.738866432 cm
1 in
2.54 cm
2.65 in

Unit Origins

The Origin Of The Centimeter

The centimeter is defined as 1/100 of the meter, the base unit of length in the International System of Units. The meter is defined as the distance travelled by light in a vacuum in 1/299,792,458 of a second.

Where'd The Inch Come From?

The origins and uses of the inch vary wildly through history. In some languages, the word for "inch" is similar to the word for "thumb". This origin would seem appropriate for the length of the inch is similar to the width of an adult male's thumb.
Convert 3.887 cm to inches