Concrete Calculator Help

Entering Values
1. Enter Feet and Inches to the nearest whole number.

Results
1. Cubic Yards: Use this value when ordering a delivery.
2. There are 27 cubic feet in one cubic yard.
3. Number of bags is for store bought pre-mixed concrete.
4. Based on two 60 pound bags of pre-mix for one cubic foot
    and three 80 pound bags of pre-mix for two cubic feet.
5. No margin has been applied for error and waste. Consider
    increasing the results by 5 - 10%.