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Centimeters to Inches Converter

Convert centimeters (cm) to inches (in) instantly. Includes formula, worked example, and a full reference chart from 1 to 1000 cm.

Centimeters
cm
Inches
in
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How to convert centimeters to inches

To convert centimeters to inches, divide the number of centimeters by 2.54 (or multiply by 0.3937). One centimeter equals approximately 0.3937 inches.

Formula

inches = centimeters ÷ 2.54

Worked example

Convert 30 cm to in:
30 cm × 0.3937007874015748 → 11.811024 in

Common centimeters to inches values

Quick reference for common centimeter values:

Centimeters to Inches conversion table

Full reference chart — useful for cooking, fitness, engineering, or homework.

CentimetersInches
1 cm0.393701 in
2 cm0.787402 in
3 cm1.181102 in
5 cm1.968504 in
10 cm3.937008 in
20 cm7.874016 in
25 cm9.84252 in
50 cm19.685039 in
75 cm29.527559 in
100 cm39.370079 in
250 cm98.425197 in
500 cm196.850394 in
1000 cm393.700787 in

Inches to Centimeters table (reverse)

Looking the other way? Here's the reverse conversion:

InchesCentimeters
1 in2.54 cm
2 in5.08 cm
3 in7.62 cm
5 in12.7 cm
10 in25.4 cm
20 in50.8 cm
25 in63.5 cm
50 in127 cm
75 in190.5 cm
100 in254 cm
250 in635 cm
500 in1,270 cm
1000 in2,540 cm

Frequently asked questions

How many inches are in 1 centimeter?

There are 0.393701 in in 1 cm.

How many inches are in 10 centimeters?

10 cm = 3.937008 in.

How many centimeters are in 1 inch?

1 in = 2.54 cm.

What is the formula to convert centimeters to inches?

The formula is inches = centimeters ÷ 2.54.

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