# Quick Answer: How Much Concrete Does An 80lb Bag Make?

## How many cubic feet will 80 lb bag of concrete?

6 cubic feet for an 80 lb bag.

## How many bags of quikrete do I need for a 10×10 slab?

For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags. If we add an extra 10%, that’s an extra 8 60-pound bags or 6 80-pound bags. Whatever the size of your project, use the formula above to calculate how much concrete you’ll need!

## How much concrete is in a 80lb bag of Sakrete?

The Sakrete website has a concrete calculator, but to answer your question a little better in real-world terms, an 80# bag will provide 0.6 cubic feet of concrete, which is a block that’s appx 7.25″ x 12′ x 12″.

## Can you pour concrete directly on dirt?

Long story short, yes you can pour concrete over dirt.

## How many bags of concrete can a mixer hold?

Heavy-duty paddles mix the concrete to a uniform consistency. This concrete mixer can fit up to two bags of concrete.

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## How many square feet does a 80lb bag of quikrete cover?

4 sq feet in that amount of cement.

## How much area does a 50 lb bag of quikrete cover?

One 50-pound bag of Quikrete Fast Setting Concrete Mix yields about. 375 cubic feet. For example, if you need to cover 33.333 cubic feet, using 60-pound bags of concrete, divide 33.333 cubic feet by. 45 cubic feet to get 74.07 total bags of concrete.

## Is gravel needed under concrete?

Whether you pour concrete for a walkway or patio, a strong gravel base is required to prevent the concrete from cracking and shifting. Gravel is especially important in clay soil because it doesn’t drain well, which results in water pooling under the concrete slab and slowly eroding the soil as it finally drains.

## Which is better quikrete or sakrete?

In general, Sakrete is more suitable for flat surfaces and fence posts, while Quikrete is better for curbs, stairs, sidewalks, and other footings. Neither product is better than the other; however, one may be better for a particular job.

## How much does a bag of concrete make?

one 20kg bag will cover an area of 1.1m2 to a depth of approximately 10mm. or 108 x 20kg bags equates to one cubic metre of mixed concrete.

## How many cubic feet is a 90 pound bag of concrete?

Each 90pound bag of QUIKRETE® Concrete Mix will yield approximately 0.675 cubic feet of mixed concrete.

## Should I put plastic under concrete?

Recently, though, research has shown that the old traditional layer of 6-mil Visqueen (polyethylene plastic) under the slab is seldom effective for two main reasons: Although it may seem water-tight, this grade of material allows a lot of water vapor to pass through.

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## Do you need rebar for 4 inch slab?

No, you do not need rebar for a 4inch slab of concrete on grade. A 4inch-thick slab cast on the ground and in permanent contact with it will float and rebar is not required. Rebar is recommended on concrete measuring 5 – 6 inches thick.