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CM to Inches Converter

Convert CM to Inches instantly: 1 centimeter = 0.3937007874 inches. Free cm to inches converter with formula, chart and examples.

1 centimeter = 0.3937007874 inches

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How to Convert CM to Inches

The formula is inches = centimeters × 0.3937007874. 1 centimeter = 0.3937007874 inches. Type any value in the converter above for an instant answer, or use the chart below for the most common values.

This page is preset for centimeter to inch conversions, but you can switch either list to any of the 92 units in the Length Converter, or go the other way with the Inches to CM converter.

CM to Inches conversion chart

CMInches
0.1 cm0.039370079 in
0.25 cm0.098425197 in
0.5 cm0.19685039 in
1 cm0.39370079 in
2 cm0.78740157 in
3 cm1.1811024 in
4 cm1.5748031 in
5 cm1.9685039 in
6 cm2.3622047 in
7 cm2.7559055 in
8 cm3.1496063 in
9 cm3.5433071 in
10 cm3.9370079 in
11 cm4.3307087 in
12 cm4.7244094 in
13 cm5.1181102 in
14 cm5.511811 in
15 cm5.9055118 in
16 cm6.2992126 in
17 cm6.6929134 in
18 cm7.0866142 in
19 cm7.480315 in
20 cm7.8740157 in
25 cm9.8425197 in
30 cm11.811024 in
40 cm15.748031 in
50 cm19.685039 in
60 cm23.622047 in
70 cm27.559055 in
75 cm29.527559 in
80 cm31.496063 in
90 cm35.433071 in
100 cm39.370079 in
150 cm59.055118 in
170 cm66.929134 in
200 cm78.740157 in
250 cm98.425197 in
500 cm196.85039 in
1,000 cm393.70079 in

Common CM to Inches conversions

  • 1 centimeter = 0.3937007874 inches
  • 5 cm = 1.9685039 in
  • 10 cm = 3.9370079 in
  • 30 cm = 11.811024 in
  • 100 cm = 39.370079 in
  • 170 cm = 66.929134 in

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How to Use the CM to Inches Converter

  1. Type a value in the From box and choose its unit.
  2. Pick the unit you want in the To list — the result updates as you type.
  3. Use the swap button to reverse the conversion, or type in the To box to convert backwards.
  4. Check the All conversions table to see your value in every unit; click a row to make it the target.

Frequently Asked Questions

How many inches are in a centimeter?

There are 0.3937007874 inches in 1 centimeter. Going the other way, 1 inch = 2.54 centimeters.

How do I convert CM to Inches?

Use the formula inches = centimeters × 0.3937007874. For example, 1 centimeter = 0.3937007874 inches. Or type the value in the converter above and the answer appears as you type.

What is the CM to Inches formula?

inches = centimeters × 0.3937007874 — the conversion factor is exact to the digits shown, using the international definitions of both units.

What is 5 centimeters in inches?

5 centimeters = 1.9685039 inches.

What is 10 centimeters in inches?

10 centimeters = 3.9370079 inches.

What is 30 centimeters in inches?

30 centimeters = 11.811024 inches.

What is 100 centimeters in inches?

100 centimeters = 39.370079 inches.

What is 170 centimeters in inches?

170 centimeters = 66.929134 inches.

How do I convert Inches back to CM?

Use the swap button in the converter above, or open our Inches to CM converter. centimeters = inches × 2.54.

Is this CM to Inches converter accurate?

Yes. It uses exact unit definitions and double-precision maths, and you can show up to 15 significant digits. The table below is calculated with the same formula.

Can I convert CM to other length units?

Yes — pick any unit in the From and To lists above, or open the full Length Converter, which handles 92 length units.

Is the CM to Inches converter free?

Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.