Gravel Calculator How much gravel do you need
Step one is establishing the volume of gravel needed. It is equal to the volume of an excavation and you can do it in the following way Determine the length and width of a cuboidal excavation. In our example the excavation length is l = 6 yd and the width is b = 3 yd. Calculate the area of the excavation multiplying the length and width together. In our case A = 6 3 = 18 yd².