Inch to Decimeter Converter (in to dm)

How to convert inches to decimeters

1 inch is equal to 0.254 decimeters, and 1 decimeter is equal to 3.937007874 inches. To convert, multiply by the conversion factor:

decimeters = inches × 0.254
decimeters = inches ÷ 3.937007874

Example: convert 15 in to dm: 15 × 0.254 = 3.81 dm.

The inch is defined as exactly 2.54 cm. It's used in the US and UK for screen sizes, tools, construction and personal height.

Symbol: in · 1 in = 0.0254 m · Category: Imperial & US customary

A decimeter is one tenth of a meter (10 cm). A cube one decimeter on each side holds exactly one liter.

Symbol: dm · 1 dm = 0.1 m · Category: Metric (SI)

Frequently asked questions

How many decimeters are in a inch?

There are 0.254 decimeters in 1 inch (in).

How many inches are in a decimeter?

1 decimeter (dm) equals 3.937007874 inches.

How do I convert inches to decimeters?

Multiply the length in inches by 0.254. For example, 15 in × 0.254 = 3.81 dm.

How do I convert decimeters to inches?

Divide the length in decimeters by 0.254, or multiply it by 3.937007874. You can also use the Decimeter to Inch converter.