Concrete Calculator for Circular Volumes

This calculator will give you the total cubic yards for circular slabs or circular columns. Input values as stated. Assumes a constant diameter. There are no add factors - this is neatline quantities. This estimator is by no means perfect, it will only give a ballpark estimate to check actual estimates. The values and formula will solve for any circular plan. The values will be rounded up to nearest whole number.

Only modify fields with an * beside it.