How many square yards in a yard of concrete?
Length X Width ÷ 54 = yardage (example 24' x 24' = 576 sq. ft. 576 ÷ 54 = 10.66 yards of concrete) The number you divide by will be determined by the depth. Use the chart above to figure out which number that is for you based off the depth of your slab, patio, driveway, etc.
How do you calculate square yard of concrete?
how many square feet in a yard of concrete 4 inches thick?
- A 10' x 10' concrete slab that's 4" thick will take 1.23 yards of concrete
- A 10' x 12' concrete slab that's 4" thick will take 1.48 yards of concrete
- A 20' x 20' concrete slab that's 4" thick will take 4.94 yards of concrete
- A 24' x 24' concrete slab that's 4" thick will take 7.11 yards of concrete
What is the formula for a yard of concrete?
To produce a cubic yard of 4000 psi concrete, you have to adjust the concrete mixing ratio to:
- 611 pounds of cement or (277kg)
- 1450 pounds of sand or (657kg)
- 1600 pounds of stone or (725kg)
- 33- 35 gallons of water or (133L)
How much does a yard of concrete cost?
When estimating the cost of concrete, use $125 per yard as a ballpark figure. However, concrete prices differ by region, and you’ll have to pay a ready mix delivery fee, plus factor in labor charges if hiring a contractor. Get quotes from concrete contractors near me.
How many square feet is a yard of concrete 4 inches thick?
81 square feetOne Cubic Yard of Concrete: 4-inches thick – covers 81 square feet.
How many yards of concrete do I need for a 10x10 slab?
1.3 cubic yardsThe amount you will need for a 10 x 10 slab is 1.3 cubic yards, we always add an extra 10% to allow for any slab depth variations or spills that may occur.
How many yards of concrete do I need for a 24x24 x4 slab?
7.11 yardsFor example, for a concrete slab that is 24' X 24' X 4”, simply enter 4 in the Thickness/Depth field, 24 in the Width field, and 24 in the Length field. Click “Calculate”. Your answer should be 7.11 yards. Note: The Concrete Volume Calculator can also be used to determine yardage for aggregate products.
How many sq ft does a yd of concrete cover?
Concrete volume is measured in cubic yards. When poured on a perfectly level surface, one cubic yard will cover 27 square feet at one foot thick.
Do you need rebar for 4 inch slab?
No, rebar is not required for a 4-inch slab of concrete on grade. A 4-inch-thick slab cast on the ground and in constant touch with it will float, with no need for rebar. For concrete that is 5–6 inches thick, rebar is suggested. The thicker the slab, the more durable it will be.
Does a 10x10 concrete slab need rebar?
Do concrete patios need rebar? Even though it's possible to build a concrete patio without rebar, it's not recommended. All concrete is subject to cracks, but rebar holds all the cracks together and keeps the slab level and even. Without rebar, the cracks would become quite wide and the concrete would become uneven.
How much does it cost to pour a 24x24 slab of concrete?
A typical 24x24 garage slab costs between $3,057 and $5,944 with prices ranging from $5.31 to $8.31 per square foot for a 4” reinforced slab of concrete, and $6.83 to $10.32 per square foot for a 6” slab of reinforced concrete.
How many yards of concrete do I need for a 10x12 slab?
Regarding this, “how much concrete do I need for a 10×12 slab?”, at 4 inches thick, generally you will need approximately 1.46 cubic yards or 39.6 cubic feet (either 86 bags of 60lb or 67 bags of 80lb) of premixed concrete for a 10×12 slab, at 5 inches thick slab, 1.85 cubic yards or 50 cubic feet (either 109 bags of ...
How thick should a concrete slab be for a garage?
The concrete slab should be four inches thick at least; it needs to be thicker if heavy equipment will rest on it. Building codes offer requirements for the concrete mix, which vary by region. The standards are expressed in terms of "compressive strength," which boils down to the amount of water used in the mix.
How much does it cost to pour 1 yard of concrete?
Concrete costs an average of $117 per cubic yard, with a typical range between $104 and $144 per cubic yard. Concrete costs an average of $117 per cubic yard, with a typical range between $104 and $144 per cubic yard.
How many yards of concrete do I need for a 12x12 slab?
Regarding this, “how much concrete do I need for a 12×12 slab?”, at 4 inches thick, generally you will need approximately 1.76 cubic yards or 47.52 cubic feet or 1.35 m3 (either 104 bags of 60lb or 80 bags of 80lb) of premixed concrete for a 12×12 slab, at 5 inches thick slab, 2.22 cubic yards or 59.90 cubic feet or ...
How do I calculate how much concrete I need?
Essentially you are solving for volume and then converting to cubic yards. For concrete, the formula for volume is as follows: length x width x thickness....Here's what the math looks like for a 10' by 10' concrete patio:10 x 10 = 100 square feet.4 ÷ 12 = .33.100 x .33 = 33 cubic feet.33 x .037 = 1.22 cubic yards.
What Is a Yard of Concrete?
Many homeowners want to know how they can measure a yard of concrete. Firstly, most contractors use cubic yards to measure concrete yardage. So, they standardize their units to ensure uniformity across the board. And that way, the same yard of concrete covers the same ground no matter where you install it.
How Many Bags of Concrete Make a Cubic Yard?
You’ll need at least 45 bags of concrete if you’re trying to pour one cubic yard. Remember, a cubic yard is 3 feet by 3 feet by 3 feet. So, expect to buy some extra supplies if you want a thicker slab. And try not to mix this much material by hand because it can be cumbersome manually.
How Thick Should a Concrete Slab Be?
The average concrete slab is approximately four inches thick, give or take a few centimeters. However, new standards say that four inches aren’t quite thick enough. And that’s especially true for busy sidewalks, driveways, or patios.
Tips for Measuring a Bag of Concrete
Measuring a bag of concrete is easier than you think. It involves a simple formula that starts with finding the area in feet. Here’s how to do that:
Measure Twice, Pour Once
Calculating the required cubic yards of concrete for your slab can be difficult if you don’t know the formula. So, speak to your contractor for more information. Or measure at least twice before pouring anything even once. Here’s a concrete calculator for your convenience.
Related Questions
As of 2020, the average price for a cubic yard of concrete was about $124. So, two yards of concrete will cost around $248, depending on the type. Application methods, thickness, and timing may factor into the price as well.
How is concrete made?
Since concrete is a mixture of different compounds, so it is made by combining some of the materials together in a perfect proportion. The perfect proportion of the material is the key to make concrete durable and long lasting. First of all, the paste is prepared to form a perfect mixture.
What is bagged concrete?
Ideally, bagged concrete is great for sidewalks, patios, posts for fences/mailboxes, repairs to foundation walls, walkways, steps, small curbs, ramps, decks, pergolas, walls and more.
How is cement paste obtained?
The paste is obtained by combining cement and the water in a proper proportion which depends upon the thickness of the paste. When the mixture is coated with the small and large aggregates and then it completely dries, then it obtains a form or solid rock, which is basically called concrete.
How do you figure square yards?
To calculate square yards (SQYDS), multiply the length times the width, in feet and divide by 9. There are 9 square feet in a square yard.
How many cubic yards do I need?
How to calculate cubic yards? The formula: Number of Cubic Yards = Length (in feet) Width (in feet) Depth (in feet) ÷ 27. Simply multiply the three dimensions together to find the number of cubic feet, then divide by 27 to find the number of cubic yards.
How much does 2 yards of concrete cost?
According to the NRMCA – Ready Mixed Concrete Industry Data Survey, the average cost of concrete in 2018 was $120 per cubic yard, or $240 for the 2 cubic yards needed for a typical 10-by-10-foot patio. Bulk Concrete Prices.
How many bags of cement do I need for 100 square feet?
4 bags ( 401 kg) of cement and 1593 nos bricks are required for 100 square feet 13.5 inch brick wall.
How many square feet does 10 yards of concrete cover?
One Cubic Yard of Concrete: 4-inches thick – covers 81 square feet. 5-inches thick – covers 65 square feet. 6-inches thick – covers 54 square feet.
How many cubic feet are in a 50 pound bag of concrete?
One 50-pound bag of Quikrete Fast Setting Concrete Mix yields about. 375 cubic feet.
How many yards are in a square yard?
How many yards in 1 square yard? The answer is 1. We assume you are converting between yard and square yard. You can view more details on each measurement unit: yards or square yard The SI derived unit for area is the square meter.
Calculator Use
Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. Enter dimensions in US units (inches or feet) or metric units (centimeters or meters) of your concrete structure to get the cubic yards value of the amount of concrete you will need to make this structure.
Curbs & Gutters
We calculate the volume in sections from the ground to the top of each section. The Curb and Gutter are each a section.
Should I order concrete by the yard from a ready mix company or just use bags?
Larger jobs such as driveways are easier to complete when ordering concrete by the yard, rather than trying to mix bag after bag by hand. For smaller jobs, like a walkway, modest patio or footings, you should calculate the number of concrete bags instead.
Calculating the amount of concrete needed for slabs (including odd shapes)
Rule of thumb: add 1 / 4 " to the thickness of your slab for your slab concrete budget. This assumes you have the job evenly graded to the right depth, and the grade is well compacted.
Calculating the amount of concrete needed for footings
Footings will rarely follow the drawing exactly. In rocky soil the footings may collapse when big rocks are excavated
Estimating concrete steps
Steps seem tricky to calculate but are not. If there are three steps leading up to a porch:
Calculating the amount of base fill
Granite Construction has an excellent base fill calculator on their site. Use this to figure how much material you need for the subgrade.
Requesting your ready mix supplier to visit your site
After you have chosen a Ready Mix Supplier, have a representative come to your site to give his/her opinion on the quantity required. Compare the figure with what you came up with. Discuss any variances with the supplier.