Building your own concrete slab, patio driveway or walkway is fantastic home innovation and many diy house handymen are qualified of completing this type of project. All that is forced is part knowledge and also the ideal tools.

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### Square or Rectangle Concrete Slab

### Circular Concrete Slab

### Concrete (Sonotube) or Column

**Download a cost-free automatic ready-mix, through the yard and also quantities required of 60 lb. And also 80 lb. Pre-mixed bags - concrete calculator - (you must have actually Microsoft Excel or other compatible spreadsheet program)**

### To Download Your free Concrete Calculator - right click - conserve as

**Information ~ above concrete sealers.**

**Information on hand mix concrete.**

It have to be listed that cement, is just one of the 4 items that makes up concrete. Concrete is a mixture the cement, aggregate, sand and water.

### Square or Rectangle Concrete Slab:

**Notes:**Pre-mix concrete come in bags that room 60 lbs. And 80 lbs.A 60 lb. Bag provides 0.45 cubic feet the cured concrete.A 80 lb. Bag gives 0.6 cubic feet the cured concrete.If you have concrete delivered it is offered by the garden (which is a cubic garden = 27 cubic feet).

**Following room the recipe to calculate how much concrete you will call for for a square or rectangular shaped pour:**

### Example:

A patio 10' long by 8' large - 6″ thick

10 x 8 x 6 ÷ 12 = 40 cubic feet of concrete

10 x 8 x 6 ÷ 12 = 40 cubic feet of concrete

40 ÷ 0.6 = 67 (66.7) 80 lb. Bags the concrete

40 ÷ 27 = 1.5 cubic yards that concrete

### Circular Concrete Slab:

**Notes:**

**Following room the recipe to calculate exactly how much concrete friend will need for a one slab:**

### Example:

A circle 6″ thick whereby the circle has actually a radius that 5.5' (11' diameter circle)

3.14 x 5.5 x 5.5 x 6 ÷ 12 = 47.5 cubic feet of concrete

47.5 ÷ 0.45 = 106 (105.6) 60 lb bags that concrete

47.5 ÷ 0.6 = 80 (79.2) 80 lb. Bags the concrete

47.5 ÷ 27 = 1.8 cubic yards the concrete

### Concrete Sonotube , shaft Or ring Footing:

**Notes:**

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**Following are the recipe to calculate how much concrete you will need for a circle, tube or column shaped pour:**

### Example:

A obelisk 8' high whereby the column has a radius that 5″ (10″ diameter tube)

3.14 x 5 x 5 x 96 ÷ 1728 = 4.4 cubic feet that concrete

4.4 ÷ 0.45 = 10 (9.8) 60 lb bags that concrete

4.4 ÷ 0.6 = 8 (7.3) 80 lb. Bags the concrete

4.4 ÷ 27 = 0.16 cubic yards of concrete

### To Download Your cost-free Concrete Calculator - right click - conserve as

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