Inches to CM converter

Type a value in inches to see it in centimeters instantly — or the other way round.

Inches to centimeters formula

centimeters = inches × 2.54

1 in = 2.54 cm

Inches to centimeters conversion table

Inches (in) Centimeters (cm)
1 in 2.54 cm
2 in 5.08 cm
3 in 7.62 cm
4 in 10.16 cm
5 in 12.7 cm
6 in 15.24 cm
7 in 17.78 cm
8 in 20.32 cm
9 in 22.86 cm
10 in 25.4 cm
12 in 30.48 cm
15 in 38.1 cm
18 in 45.72 cm
20 in 50.8 cm
24 in 60.96 cm
27 in 68.58 cm
30 in 76.2 cm
32 in 81.28 cm
36 in 91.44 cm
40 in 101.6 cm
43 in 109.22 cm
50 in 127 cm
55 in 139.7 cm
65 in 165.1 cm

How to use the Inches to CM tool

3 simple steps · under a minute

  1. 1

    Enter inches

    Type the number of inches in the first box.

  2. 2

    Read the centimeters

    The result appears instantly, rounded to a sensible number of decimals.

  3. 3

    Convert back

    Type in the second box to convert centimeters back to inches.

About Inches to CM converter

To convert inches to centimeters, multiply by 2.54, the exact number of centimeters in one inch. For example, 12 inches × 2.54 = 30.48 cm.

Inches are used for screen sizes, tyre and wheel sizes, paper and photo sizes, and body measurements in the US and UK. The table below covers popular values such as TV and monitor sizes.

Instant results

Converts as you type, in both directions.

Formula included

See exactly how inches are converted to centimeters.

Handy table

A ready-made conversion table for the most common values.

Frequently asked questions

How many cm are in an inch?

Exactly 2.54 centimeters.

How do I convert inches to cm?

Multiply the inches by 2.54. For example, 10 inches × 2.54 = 25.4 cm.

How big is a 55-inch TV in cm?

TV sizes are measured diagonally: 55 inches = 139.7 cm.

How many cm is a foot?

One foot is 12 inches, which is 30.48 cm.