As if we are in a yard, it is of cubic then a question may arrive that it is of which many cubic feet. So for its calculation, you need to know the formula. So for the calculation of that formula here is the basic method.
How many Cubic Feet in a Cubic Yard
As a cubic yard is in a form. Then
1 yard of cube = 1cube yard cube, = 1 cubic yard
As the 1 yard = 3 feet
Then you have
1 cubic yard = 1 yard in cube = 3 feet in a cube which is equal to 27 cubic feet.
Now you have to deal with the required units of cubic form and then it will make a required basic form and it will turn to a required factor of conversion.