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Centimeters to Inches

1 centimeter = 0.393701 inches

To convert centimeters to inches, use the formula inches = centimeters ÷ 2.54. Type any value in the converter above for an instant result — everything runs in your browser.

About these units

The centimeter is a metric unit of length equal to one hundredth of a meter, used almost everywhere in the world for everyday measurements. The inch is an imperial unit defined as exactly 2.54 centimeters, still standard in the United States, the United Kingdom and Canada for things like screen sizes, clothing and construction.

When you might need this conversion

  • Checking whether a 15 cm wide photo frame fits a 6-inch shelf space
  • Converting your height from centimeters to feet and inches for a US form
  • Reading a European sewing pattern that lists fabric widths in centimeters

Centimeters to Inches conversion table

centimeters (cm)inches (in)
1 cm0.393701 in
2 cm0.787402 in
5 cm1.9685 in
10 cm3.937 in
15 cm5.9055 in
20 cm7.874 in
30 cm11.811 in
50 cm19.685 in
100 cm39.3701 in
150 cm59.0551 in
180 cm70.8661 in
200 cm78.7402 in

How to convert centimeters to inches

  1. Enter your value in the “From” box above.
  2. The result in inches appears instantly, using inches = centimeters ÷ 2.54.
  3. Swap the units any time to convert back.

Frequently asked questions

How many inches is 1 cm?

1 centimeter is approximately 0.3937 inches. To convert any value, divide the centimeters by 2.54.

Is 2.54 cm exactly one inch?

Yes. Since 1959 the international inch has been defined as exactly 2.54 centimeters, so the conversion is exact, not an approximation.

How do I convert cm to inches in my head?

Divide by 2.5 for a close estimate, then subtract a little. For example, 50 cm ÷ 2.5 = 20, and the exact answer is 19.69 inches.

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