How do you convert centimeters to inches?

To convert centimeters to inches, multiply by 0.3937007874. For example, 21 cm is 8.267717 in.

How many inches are in a centimeter?

There are 0.3937007874 inches in one centimeter.

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Converters · Length

21 Centimeters to Inches

21 cm =

8.267717 in

21 centimeters equals 8.267717 inches

How to convert centimeters to inches

To get inches, multiply by 0.3937007874.

in = cm × 0.3937007874

Worked example: 21 × 0.3937007874 = 8.267717 in.

Going the other way, multiply by 2.54 — one inch is 2.54 centimeters.

Values near 21 cm

Centimeter	Inch
10.5 cm	4.133858 in
19 cm	7.480315 in
20 cm	7.874016 in
22 cm	8.661417 in
23 cm	9.055118 in
42 cm	16.535433 in

Centimeter to Inch — common values

Centimeter	Inch
1 cm	0.393701 in
2 cm	0.787402 in
3 cm	1.181102 in
5 cm	1.968504 in
10 cm	3.937008 in
25 cm	9.84252 in
50 cm	19.685039 in
100 cm	39.370079 in

Convert Centimeter to other units

cm → m cm → km cm → mm cm → mi cm → yd cm → ft cm → in cm → nmi

← Reverse: Inch to Centimeter

Questions

How do you convert centimeters to inches?: To convert centimeters to inches, multiply by 0.3937007874. For example, 21 cm is 8.267717 in.
How many inches are in a centimeter?: There are 0.3937007874 inches in one centimeter.
How do you convert inches back to centimeters?: Go the other way: multiply by 2.54. One inch is 2.54 centimeters.

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