Formula. : radius. 2. x Pi (3.1416) x length.
http://wiki.answers.com/Q/What_is_the_formula_cubi...

103. To measure cubic feet, multiply length times width times the height. The divide it by 1728 to get the cubic feet.
http://answers.ask.com/Reference/Other/how_to_meas...

The equation for volume is: L x Pi x R(2) or length times pi
http://www.chacha.com/question/howtocalculateth...
