Inches to Centimeters Converter in → cm

1 inch (in) = 2.54 centimeters (cm). Type a value below — the conversion happens instantly, entirely on your device.

From

1 in = 2.54 cm

Precision

32 inches = 81.28 centimeters

32 × 2.54 = 81.28

1 in equals 2.54 cm, so multiplying by 2.54 converts the value. The result describes the exact same quantity — only the measuring stick changes.

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How to convert inches to centimeters

centimeters = inches × 2.54 — multiply the inch value by 2.54.

Example: 32 in = 81.28 cm.

To convert the other way: inches = centimeters ÷ 2.54 — or use the dedicated cm to in converter .

Inches-to-centimeters comes up constantly with screen sizes (TVs and monitors are sold by diagonal inches worldwide) and US product dimensions. A 32-inch TV has an 81.28 cm diagonal, since 1 inch equals exactly 2.54 cm.

Inches to Centimeters conversion table

Inches (in)	Centimeters (cm)
0.1	0.254
0.25	0.635
0.5	1.27
1	2.54
2	5.08
3	7.62
4	10.16
5	12.7
6	15.24
7	17.78
8	20.32
9	22.86
10	25.4
15	38.1
20	50.8
25	63.5
30	76.2
40	101.6
50	127
75	190.5
100	254
250	635
500	1270
1000	2540

About the units

What is a inch?

An inch (in) is an imperial and US customary unit defined as exactly 25.4 millimeters since 1959. Twelve inches make one foot; screens, wheels and paper sizes are commonly measured in inches.

What is a centimeter?

A centimeter (cm) is one hundredth of a meter. It is the everyday metric unit for body measurements, clothing sizes and small objects; 2.54 cm equal exactly 1 inch.

Frequently asked questions

How many centimeters are in 1 inch?

1 inch (in) = 2.54 centimeters (cm).

What is the formula to convert inches to centimeters?

centimeters = inches × 2.54 — multiply the inch value by 2.54.

How do I convert in to cm without a calculator?

Multiply by 2.54 for a close estimate. Exact factor: 1 in = 2.54 cm.

Is this in-to-cm converter accurate and private?

Yes. It uses the exact internationally defined conversion factors and computes results locally in your browser — your input is never sent to a server, and the page keeps working offline.