How do you figure a yard of concrete?
- Measure the area in feet.
- Multiply length by width, and then by thickness.
- Divide the resulting number by 27 to find cubic yards.
- Measure the area in feet.
- Multiply length by width, and then by thickness.
- Divide the resulting number by 27 to find cubic yards.
How much cement do you need for a yard of concrete?
For estimating purposes, you can make about 1 cubic yard of concrete with 5 1/2 94-pound bags of cement, 17 cubic feet of sand, and 18 cubic feet of gravel.
How do you figure out a yard of concrete?
Aside from style alone, few people know how to choose between stone, brick, or concrete pavers for their patio ... A standard patio ranges between $800 and $4,500, though the size of your yard and patio might dictate the materials you choose to work ...
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)
What is the formula to figure concrete yards?
- Amount. Calculate the volume of concrete you need in cubic yards. ...
- Strength. Call a local ready-mix company, tell the supplier what the concrete is for, and ask about the best mix (proportions of cement, gravel and sand).
- Cost. Use $90 per cubic yard as a ballpark figure for concrete prices, but concrete slab cost will vary by region.
- Unload time. ...
What is the formula for calculating concrete?
Use the formula. Calculating the volume for concrete requires using three dimensions: length times width (which is area) times the height (thickness) or L x W x H. If you are using feet as your standard unit of measurement, this formula will give you the volume of concrete in cubic feet.
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 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 many yards of concrete does it take to pour 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 10x20 slab?
Regarding this, “how much concrete do I need for a 10×20 slab?”, at 4 inches thick, generally you will need approximately 2.44 cubic yards or 66 cubic feet or 1.969 m3 (either 144 bags of 60lb or 111 bags of 80lb) of premixed concrete for a 10×20 slab, at 5 inches thick slab, 3.07 cubic yards or 83 cubic feet or 2.35 ...
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 do you calculate concrete for a slab?
How to calculate concrete:Determine how thick you want the concrete.Measure the length and width that you'd like to cover.Multiply the length by the width to determine square footage.Convert the thickness from inches to feet.Multiply the thickness in feet by the square footage to determine cubic feet.More items...•
How much does a yard of concrete cover at 4 inches thick?
81 square feetOne Cubic Yard of Concrete: 4-inches thick – covers 81 square feet.
How much does it cost to pour a 10x12 concrete slab?
Cost of concrete per square footSlab SizeSquare FeetAverage Cost10x10100$60010x12120$72010x20200$1,20012x12144$86418 more rows•Jun 5, 2022
How much 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 many bags of concrete do I need for a 10x10 slab 4 inches thick?
At 4″ thick, for a 10×10 slab, generally, you will need 1.23 cubic yards or 33 cubic feet or either 74- 60lb or 56-80lb bags of premixed concrete.
How big of a pad will 10 yards of concrete cover?
10 cubic yards of normal weight or mix or crushed concrete will cover approximately 1080 square feet at 3 inches deep, or 800 square feet with 4 inches thick, or 650 square feet with 5 inches deep, or 540 square feet at 6 inches deep.
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 much will a cubic yard 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.
How many square feet is in a cubic yard?
27 feetHow many cubic feet are in a cubic yard? 27 feet. One yard is equal to 3 feet. Hence to determine the number of cubic feet in a cubic yard, take the cube of both sides, and you will get 1 cubic yard = 27 cubic feet .
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 much does concrete cost per yard?
How much is concrete a yard? The cost of concrete per cubic yard depends on which brand you purchase, but usually costs about $110 for bags .
How to calculate how much concrete I need for a slab?
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.
How many square feet does an 80 lb bag of concrete cover?
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.
What factors affect the cost of concrete?
There are several things that can affect the cost of your concrete project, including: How complicated the project is: stairs will likely cost more than a slab, for example. Materials: polymer concrete is often more expensive. Labor prices: jobs that take longer and need more workers will have a higher price.
How long does it take for concrete to harden?
Here are a few common varieties of concrete: Quick-set: Hardens in 20 to 40 minutes. Best for small projects. Regular-set: 24 to 48 hour set time. Used more for large projects. High-strength: Usually sets in 10 to 12 hours.
Does adding rebar to concrete cost more?
Extra strength: adding rebar or mesh to the concrete will up the cost. Additional tasks: if pros need to remove debris, get rid of your existing patio or dig before starting, it will be more expensive.
Can you order concrete by cubic yard?
If you have a larger job, like a building a driveway or pool deck, it’s probably best to order concrete by the cubic yard or hire a concrete delivery service. For smaller jobs, like setting posts for fences or small curbs, mixing bags of concrete should be sufficient.
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.
How to find concrete yardage?
Now that you've found your square footage, all you need to do to find your project's concrete yardage is to divide the square footage by a certain number - the thicker your project, the smaller the number; the thinner your project, the larger the number.
How to find square footage of concrete?
To determine your concrete job's square footage, simply multiply the length and width of the area you're pouring into without taking into account its depth.
How to calculate concrete pouring thickness?
If the thickness of your concrete pour doesn't match any of the examples above, you can quickly calculate it by dividing 324 by the thickness of your concrete project (in inches). Then, divide your square footage by your answer to find your project's yardage.
How many bags of dry concrete mix to make 1 cubic meter?
Below are rough estimates for how many bags of dry concrete mix it takes to make one cubic meter of wet concrete: 40 kg bag: 56 bags to make 1 cubic meter. 32 kg bag: 71 " " " 1 cubic meter.
How many prisms are there in a slab?
However, if you need to pour a slab along with 4 straight walls, each wall would be its own prism, resulting in a total of 5 prisms.
How to find volume of rectangular prism?
A rectangular prism's volume can be found by multiplying its length times its width times its height. For example, in the next few steps, let's imagine that we're pouring a slab that is 10 feet (3.05 m) long, 12 feet wide (3.66 m), and 4 inches (10.16 cm) deep. ...
How is concrete volume measured?
Familiarize yourself with how concrete volume is measured. Concrete's volume (the amount of physical space it takes up) is typically measured in either cubic yards (yds 3) or cubic meters (m 3 ). A cubic yard is a 3-dimensional cube that is 3 feet long in each dimension, while a cubic meter is a cube that is 1 meter long in each dimension.
Concrete calculator formula for floors and slabs
This is how you use a formula to calculate concrete for a square concrete slab or a rectangular shaped floor or slab.
concrete calculator formula for a round slab
The formula to calculate concrete yardage for a round slab is very different than the formula for a square slab. Square footage is calculated using Pi and the diameter of the circle to help determine cubic yardage.
calculator formula for a concrete wall
Calculating concrete yardage for a wall uses the same formula as a slab.
Formula to calculate concrete for a footer
Calculating concrete yardage for a footing is done much like a slab, you just usually have smaller units of measurement for width.
Concrete calculator formula for a square column
Calculating concrete for a square column first starts with calculating the cubic feet of the column.
Formula to calculate concrete for a round column
The formula to calculate concrete yardage for a round column is just like the round slab formula above. The difference is a column's height is usually much greater than a slab.
How to calculate concrete for steps
This is how you calculate concrete yardage for a set of concrete steps.
Concrete Calculator – How much concrete do you need?
Use this free concrete calculator to answer your question. Understanding how much concrete is needed for your project is precious. Basically, without an easy tool, you can define how to correctly calculate how much concrete mix you will require for your next job.
How much is a yard of concrete?
When evaluating the cost of concrete, consider $130 per yard as an average number. However, concrete pricing different in local areas, also add an extra delivery fee, plus labor charges if hiring a contractor.
Concrete cost per square foot
You can estimate an average cost of $4.25 – $6.25 per square foot to have a regular concrete floor slab poured. Thus, if you require a more accurate number of your project’s cost, please request a free estimate from the local contractors in New York City.
Should I order a ready mix Concrete or just use bags?
Larger jobs such as driveways are easier to complete when ordering a ready mix concrete. Nevertheless, for smaller jobs, like a patio or walkway, you can use our Concrete Calculator to estimate the number of bags instead.
What is concrete mixed into?
Alternatively, in some factory settings, concrete is mixed into dryer forms to manufacture precast concrete products such as concrete walls. The process of concrete hardening once it has been placed is called curing, and is a slow process.
Why is concrete mixing important?
Proper mixing is essential for the production of strong , uniform concrete. It involves mixing water, aggregate, cement, and any desired additives. Production of concrete is time-sensitive, and the concrete must be placed before it hardens since it is usually prepared as a viscous fluid.
What is cement used for?
Cement is a substance that is used to bind materials, such as aggregate, by adhering to said materials, then hardening over time . While there are many types of cement, Portland cement is the most commonly used cement, and is an ingredient in concrete, mortar, and plasters.
Is concrete time sensitive?
Production of concrete is time-sensitive, and the concrete must be placed before it hardens since it is usually prepared as a viscous fluid. Some concretes are even designed to harden more quickly for applications that require rapid set time.
What to do if you don't order concrete?
If you make a mistake and don't order enough concrete, (hopefully not) just call the concrete dispatcher and he will send another concrete truck with the balance on it. But be prepared to wait if the concrete company is busy and doesn't have a truck waiting.
Can you use a laser level on a yard stick?
Using a laser level this can be done quite easily. I use a laser level that self-levels itself when you turn it on, that way you can be sure the readings you get are accurate. For a grade stick I use a long, narrow piece of wood with a yard stick attached to it.