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Centimeters to inches (cm to in)

1 cm = 0.3937007874 in. Enter any value below to convert centimeters to inches instantly, or use the length converter for every other unit.

Maintained by Jairo TunisseLast updated Editorial policy

1 cm = 0.3937007874 in

in = cm × 0.3937007874
1 in = 2.54 cm

Convert length

Common length conversions

1 in2.54 cm
1 ft0.3048 m
1 yd0.9144 m
1 mi1.609344 km
1 nmi1.852 km
1 m3.280839895 ft
1 km0.6213711922 mi
1 cm0.3937007874 in

Centimeters to inches conversion table

Centimeters to inches
Centimeters (cm)Inches (in)
1 cm0.3937007874 in
2 cm0.7874015748 in
5 cm1.968503937 in
10 cm3.937007874 in
15 cm5.905511811 in
20 cm7.874015748 in
30 cm11.81102362 in
50 cm19.68503937 in
100 cm39.37007874 in

The formula

in = cm × 0.3937007874

1 cm = 0.01 m. 1 in = 0.0254 m (exact). These are exact definitions, so the only rounding is in the displayed result (10 significant digits).

When you need it

Centimeters to inches comes up with clothing sizes, screen and paper dimensions, and furniture bought from metric catalogs. An inch is defined as exactly 2.54 cm, so dividing by 2.54 is exact. A quick estimate: 10 cm is just under 4 inches, and 30 cm is close to a foot.

More length converter conversions

Frequently asked questions

How do I convert centimeters to inches?

Multiply the value in centimeters by 0.3937007874 (or divide by 2.54). For example, 10 cm = 3.937007874 in.

How many inches are in one centimeter?

1 cm = 0.3937007874 in.

Is an inch exactly 2.54 cm?

Yes. Since the 1959 international yard and pound agreement, the inch has been defined as exactly 25.4 mm.

How do I convert my height from cm to feet and inches?

Divide centimeters by 2.54 to get total inches, then divide by 12: the whole number is feet and the remainder is inches.

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