Concrete & Masonry
How Many Bags of Concrete in a Yard? 40, 50, 60 and 80 lb
One cubic yard of concrete is 45 bags of 80 lb mix, 60 of 60 lb, 72 of 50 lb or 90 of 40 lb. See the math, a chart for other amounts and a free calculator.
Concrete & Masonry
Bags, yards, slabs, post holes and block walls.
Concrete & Masonry
How Many Cinder Blocks Do I Need? Blocks and Mortar for a Wall
Standard 8x8x16 blocks take 1.125 per square foot of wall. Work out blocks and bags of mortar mix for any wall with the free calculator, a chart and examples.
Concrete & Masonry
How Much Concrete per Fence Post? Bags by Hole Size and Depth
A 4x4 post in a 10 inch hole 2 ft deep takes about two 50 lb bags of fast-setting concrete. Bags per post for 4x4 and 6x6 posts, hole sizes and a calculator.
Concrete & Masonry
How Much Concrete for a 10×10 Slab? Yards and Bags by Thickness
A 10x10 slab 4 inches thick needs 1.23 cubic yards or 56 bags of 80 lb concrete. See 3.5, 5 and 6 inch figures, bag counts and when ready-mix is worth it.
Concrete & Masonry
How Many Bags of Concrete Do I Need? 40, 50, 60 and 80 lb Bags
Work out how many 40, 50, 60 or 80 lb bags of concrete you need for a slab, pad or round hole. Free calculator, bag yields, the formula and worked examples.