How do I calculate an acre furrow slice?

Question

I'm having to convert g/cm^3 into afs.

thanks

Answer 1

An acre furrow slice is an acre, 43,560 square feet by 6 inches deep, or 21,780 cubic feet, also the same as 806.7 cubic yards.  Soil on the average weighs 90 pounds per cubic foot, the rest is up to you.