Inches to Centimeters

HomeLength › Inches to Centimeters

Convert inches to centimeters instantly. Enter a value below, or use the formula and reference table further down the page.

in — inches
cm — centimeters
Try
Visual comparison: 1 inch equals 2.54 centimeters 1 IN 2.54 CM
1 inch is equal to 2.54 centimeters.

How to convert inches to centimeters

Multiply the value by 2.54.

cm = in × 2.54

Example: 10 in = 25.4 cm.

Inches to Centimeters conversion table

Inches (in)Centimeters (cm)
1 in2.54 cm
2 in5.08 cm
3 in7.62 cm
4 in10.16 cm
5 in12.7 cm
10 in25.4 cm
15 in38.1 cm
20 in50.8 cm
25 in63.5 cm
50 in127 cm
100 in254 cm

Frequently asked questions

How many centimeters is 1 inch?

1 inch equals 2.54 centimeters.

What is the formula to convert in to cm?

To convert in to cm, multiply the value by 2.54. The full formula is: cm = in × 2.54.

How do I convert centimeters back to inches?

Use the same calculator above and type your value into the centimeters field instead — it converts in both directions. Or use the reverse formula: in = cm ÷ 2.54.

Is the in to cm conversion exact?

The conversion factor used here (2.54) is the standard internationally defined value. Results on this page are rounded to four decimal places for readability.

Related length conversions