# Quick Answer: How Much Concrete In 80 Lb Bag?

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

6 cubic feet for an 80 lb bag.

## How many cubic feet are in a 80 pound 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″.

## 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 does an 80 pound bag of concrete weigh when mixed?

= 143.3 lbs / cu ft dry mix. Quikrete informs that an 80 lb bag of dry mix yields 0.60 cu ft of concrete. I use bags of Quikrete that yield 0.75 cu ft (thus 100 lbs /bag) each, for fence posts. I add about 1.5 gallons of water to each such bag and mix in a wheelbarrow.

## Can you pour concrete directly on dirt?

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

## How many 80-pound bags of concrete does it take to make 1 yard?

how many 80lb bags of concrete are in a yard? You will need 45 bags of concrete mix to make a cubic yard of concrete. There’s 27 cubic feet of concrete in a cubic yard.

## Which is better Sakrete or Quikrete?

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.

## Is quikrete as strong as concrete?

Quikrete fast setting concrete is just as strong as regular concrete. Concrete gets its strength from a chemical reaction that occurs over time during curing. After it’s had time to cure, which usually take 28 days to complete, Quikrete can reach strengths up to 5000 psi.

## How many 60 pound bags of concrete make a yard?

60 pound bag yields.017 cubic yards.

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

4 sq feet in that amount of cement.

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## 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.

## Can you use quikrete for a slab?

Concrete is one of the most economical, versatile and durable building materials available. Build a sidewalk, patio, or floor with QUIKRETE concrete mixes no matter your skill level.

## How much does a 5 gallon bucket of dry concrete weigh?

In general a 5 gallon bucket of hardened Quikrete will weigh about 100 pounds. Change the mix and you could end up as high as 200 pounds or as low as 60 pounds.

## Does concrete weigh more after drying?

Sites suggest that you’ll need about 10% more concrete than calculated just to be safe. Standard reinforced concrete is 150 pounds per cubic foot when dry, but there are “light” versions that may be under 100 pounds per cubic foot, or as heavy as 300 pounds per cubic foot.

## How many bags of concrete do I need for a post hole?

Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. Add concrete into the hole and around the 4” x 4”. Depending on your climate, let concrete set up for 24 – 48 hours.