Inches to Centimeters Converter

Convert inches (in) to centimeters (cm) instantly. 1 inch = 2.54 centimeters.

How to convert inches to centimeters

cm = in × 2.54

To convert inches to centimeters, multiply the length value by 2.54. One inch (in) is equal to 2.54 centimeters (cm). For quick everyday conversions, the interactive converter above gives you the exact result as you type — no rounding surprises.

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
15 in 38.1 cm
20 in 50.8 cm
25 in 63.5 cm
50 in 127 cm
100 in 254 cm

Frequently asked questions

How many centimeters are in 1 inch?

1 inch equals 2.54 centimeters.

How do I convert inches to centimeters?

Multiply the number of inches by 2.54. For example, 8 in × 2.54 = 20.32 cm.

What is 8 inches in centimeters?

8 inches is equal to 20.32 centimeters.

Can I convert centimeters back to inches?

Yes — use our Centimeters to Inches converter, or divide by 2.54.