Convert cm to inches

1 centimeter equals 0.393701 inches. To convert centimeters to inches, divide the number of centimeters by 2.54: for example, 10 cm is 3.93701 in. Ethical Tube's free cm to inches converter does the math as you type, and the chart below lists common values.

1 cm = 0.393701 in

1 cm
0.393701 in
1 in
2.54 cm
Formula
in = cm × 0.393701
Measures
Length
Price
Free
Works offline
Yes

Conversion chart

cm 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
8 cm3.14961 in
10 cm3.93701 in
12 cm4.72441 in
15 cm5.90551 in
20 cm7.87402 in
25 cm9.84252 in
50 cm19.685 in
100 cm39.3701 in

How it works

How to convert cm to inches

  1. Know the formula

    in = cm × 0.393701. In words: divide the number of centimeters by 2.54.

  2. Work an example

    10 cm → 3.93701 in. Round to two or three decimal places for everyday use.

  3. Or type it in

    Enter any value in the converter above and the answer appears instantly, in both directions.

Good to know

About length units

  • Since 1959, one inch is defined as exactly 2.54 centimeters, so conversions between metric and US lengths are exact.
  • A foot is 12 inches, a yard is 3 feet, and a mile is 5,280 feet.

FAQ

Questions, answered

How many inches are in a centimeter?

There are 0.393701 inches in 1 centimeter. To convert centimeters to inches, divide the number of centimeters by 2.54.

What is 10 cm in inches?

10 centimeters is 3.93701 inches.

How do you convert inches back to cm?

Multiply the number of inches by 2.54. 1 inch is 2.54 centimeters.

Is this cm to inches converter free?

Yes. It's free and works in any browser, even offline once the page has loaded. The answer updates as you type, and nothing you enter is sent anywhere.

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