A gram is a unit of mass. A decimetre is a unit of length. The two units are therefore incompatible.
You need to specify the substance and the density.
Grams is a unit of mass, decimeters is a unit of length. You can't convert between the two.
260dm3
7 decimeter = 70 centimeters1 decimeter = 10 centimeters7 decimeter * 10 centimeters/1 decimeter = 70centimeters
A decimeter is one tenth of a meter.
1 decimeter = 10 centimeters
1 centimeter = 0.1 decimeter
1 decimeter=0.1 meters
1 decimeter=10 centimeters
1 decimeter = 3.93707 inches
10 cm = 1 decimeter
100 mm in 1 decimeter