Use our Material Calculator to calculate the amount you need. Enter the dimensions of your beds and the desired depth of application. The calculator will then determine the required amount to order. For irregularly shaped beds, find the average of the dimensions.
To compute the area of a circle, use the following calculation: p(3.14) X radius²= area. To compute the circumference of a circle, use the following calculation: p(3.14) X diameter = circumference.