Depends how wide the 3 yard length is and how deep the concrete is put over that area.
Chat with our AI personalities
You need 82/3 [cubic] yards for every foot deep that it has to be.
How many square yards in a 20x18 feet 3 inches thick
55.56 cubic yards.
1.62
16 ft * 47 ft * 4 inches =16/3 yards * 47/3 yards * 4/36 yards = 9.3 yards approx.