How Many 80-lb Bags of Quikrete Per Yard?
One cubic yard = 27 cubic feet. An 80-lb bag yields 0.60 cu ft. So 27 ÷ 0.60 = 45 bags per cubic yard. That is about 3,600 lbs (1.8 tons) of Quikrete.
Quikrete Coverage by Bag Size
40-lb: 0.30 cu ft • 50-lb: 0.375 cu ft • 60-lb: 0.45 cu ft • 80-lb: 0.60 cu ft. For a 10×10ft slab at 4" thick, you need 56 bags of 60-lb Quikrete.
How to Calculate Quikrete
Use this free quikrete calculator to get instant, accurate results for your construction project. Simply enter your measurements above and the calculator will automatically compute the result using industry-standard formulas.
Pro Tip: Always add 10-15% extra material to account for waste, cuts, and job-site conditions. This is standard practice recommended by experienced contractors.