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Centimeters to Inches

Type a value in either box. 1 cm = 0.393701 in.

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How to convert centimeters to inches

1 cm = 0.3937007874 in, and 1 in = 2.54 cm. To convert centimeters to inches, use:

in = cm ÷ 2.54

Example: convert 30 cm to inches: 30 ÷ 2.54 = 11.811024, so 30 cm = 11.811 in.

Good to know

One inch has been defined as exactly 2.54 cm since 1959, so dividing by 2.54 gives an exact answer. For a quick estimate, 10 cm is a little under 4 inches.

Centimeters to Inches chart

Centimeters (cm)Inches (in)
1 cm0.393701 in
2 cm0.787402 in
3 cm1.1811 in
4 cm1.5748 in
5 cm1.9685 in
6 cm2.3622 in
7 cm2.75591 in
8 cm3.14961 in
9 cm3.54331 in
10 cm3.93701 in
12 cm4.72441 in
15 cm5.90551 in
20 cm7.87402 in
25 cm9.84252 in
30 cm11.811 in
40 cm15.748 in
50 cm19.685 in
60 cm23.622 in
70 cm27.5591 in
80 cm31.4961 in
90 cm35.4331 in
100 cm39.3701 in
150 cm59.0551 in
160 cm62.9921 in
165 cm64.9606 in
170 cm66.9291 in
175 cm68.8976 in
180 cm70.8661 in
185 cm72.8346 in
190 cm74.8031 in
200 cm78.7402 in

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