Inches to Centimeters Converter

Convert inches to centimeters (in to cm) instantly. 1 inch = 2.54 cm. Includes the formula and a conversion table.

cm = in × 2.54

How to convert inches to centimeters

cm = in × 2.54

One inch equals 2.54 cm, so multiply the value in inches by 2.54. Example: 10 in = 25.4 cm.

The inch is defined as exactly 25.4 mm, the foot as exactly 0.3048 m and the mile as exactly 1,609.344 m (international agreement of 1959). The nautical mile is exactly 1,852 m.

Inches to centimeters conversion table

Inches (in)Centimeters (cm)
1 in2.54 cm
2 in5.08 cm
3 in7.62 cm
5 in12.7 cm
10 in25.4 cm
15 in38.1 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
1,000 in2,540 cm

More length conversions

Frequently asked questions

How many centimeters are in 1 inch?

1 inch is equal to 2.54 cm.

How do I convert inches to centimeters?

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

How do I convert centimeters back to inches?

Use the formula in = cm × 0.3937007874, or open the centimeters to inches converter.

Related tools