How do I calculate how much concrete I need for a slab?

To calculate the amount of concrete you need for a slab, you should find the cubic yardage of the area you will be filling. Just follow these steps: Measure the area in feet. Multiply length by width, and then by thickness. Divide the resulting number by 27 to find cubic yards.

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Q: How much concrete do I need? How many bags do I need?

The amount of concrete you need varies by project. One 80lb bag covers an area of about 2 square feet , for a slab 4 inches thick . Two 60lb bags of concrete cover an area of about 2 square feet for a slab that is 6 inches thick .

Q: How much is a truckload of concrete?

A truckload of concrete can usually hold a maximum of 10 cubic yards .

Q: How many 80lb bags of concrete make a yard?

It takes about 41 bags of concrete to fill a cubic yard. Always plan to buy a few bags more than the exact required amount in case of mistakes.

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Medina Concrete

5.0(

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Serving Greensboro, NC and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"They were fast and very professional. I would hire them to do any other concrete work."

+29

Response time3 days

Recommended by100%of homeowners

Serving Greensboro, NC and surrounding areas

Approved

In business since 2024

Free estimates

Customers say: Quick response

"They done an outstanding job on my walkway. Jack Holt and his father were very professional and I really do appreciate their service. I would recommend them to anyone who needs concrete work done. Ask for Jack Holt. Liberty NC Concrete."

+99

Response time11 hrs

6 neighbors recently requested a quote

Recommended by100%of homeowners

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Just Masonry

New to Angi

Serving Greensboro, NC and surrounding areas

Approved

Masonry construction 35yrs expirence

22 neighbors recently requested a quote

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Castia Construction

New to Angi

Serving Greensboro, NC and surrounding areas

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Concrete contractor with 50 years of collective experience in residential and commercial construction.

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John Locklear Roofing

New to Angi

Serving Greensboro, NC and surrounding areas

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Warranties offered

Small jobs welcome

Hey we offer all types of roofing, asphalt, metal,EPDM,tpo, coatings, etc.\n25 years experience \nOwner and operator \nCompetitive rates\nWarranties available

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FAQs for concrete delivery projects in Greensboro, NC

The amount of concrete you need varies by project. One 80lb bag covers an area of about 2 square feet, for a slab 4 inches thick. Two 60lb bags of concrete cover an area of about 2 square feet for a slab that is 6 inches thick.

A truckload of concrete can usually hold a maximum of 10 cubic yards.

The cost of concrete per cubic yard depends on which brand you purchase, but usually costs about $110 for bags.

It takes about 41 bags of concrete to fill a cubic yard. Always plan to buy a few bags more than the exact required amount in case of mistakes.

To calculate the amount of concrete you need for a slab, you should find the cubic yardage of the area you will be filling. Just follow these steps:

Measure the area in feet.
Multiply length by width, and then by thickness.
Divide the resulting number by 27 to find cubic yards.

Get matched with top concrete delivery pros in Greensboro, NC

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