# FAQ: 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 many 80lb bags of concrete do I need for 3 yards?

An 80# bag of pre-mixed cement, sand and gravel ( CONCRETE ) is 0.6 cubic foot per the bag. There are 27 cubic feet in a cubic yard. So 27 / 0.6 = 45 80# bags.

## How much concrete does a bag of cement make?

bag of Portland Cement makes 4.5 cubic feet of concrete. For thicknesses less than 2 inches and toppings, use: 1 part of Portland Cement with 3–4 parts of concrete sand or general purpose sand.

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## 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.

## 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.

## Is it cheaper to mix your own concrete?

One of the least expensive ways to get concrete is to mix your own. You can buy bags of the mix from a home improvement store. Typically, you only have to add water for it to be ready to pour. Otherwise, you risk getting a weaker concrete once it cures, which could lead to cracks or crumbles within a couple of years.

## How many bags of cement do I need for 1 yard?

# It takes approximately 5 Bags of Portland cement, 8 cubic ft of sand, and 20 cubic ft of gravel to make approximately 1 cubic yard (27 cubic feet) of concrete.

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## How much does 4 yards of concrete cost?

Each cubic yard of concrete costs \$119 to \$147 per cubic yard delivered. Short-Load Concrete Prices.

Cubic Yards Mixing On-site Fees
4 – 4.75 \$80
3 – 3.75 \$90
2 – 2.75 \$100
1 – 1.75 \$110

## How many bags of cement do I need for 1m3 concrete?

Batching by volume – DIY

Materials 0.2 m3 concrete 1 m3 concrete
cement (no. 25 kg bags ) 2.5 12
all-in aggregate (volume in m3) 0.25 1.3
water (volume in litres) 32 160
cement (no. 25 kg bags ) 3.5 14

## How much does a 25kg bag of cement cover?

As a rule of thumb 1 of our 25kg bags will cover an area of 0.25m to a recommended depth of 50mm.