- Press the buttons on the left to set the Length, Width, and Height. (L = Length, W = Width, H = Height) - Press the Measurement button to set what measurement your volume is in. (Cubic In, Ft, Yd) - Press the Calculate button to get your volume. - Press the button on the bottom right to be able to copy the volume (and paste it somewhere).
If you set one of the values as 0 then the volume would be 0 when you press calculate.