The number of bags you need will vary depending on the type of concrete mix you choose for your project and weight and yields of one bag of concrete. As per general rules and guidelines, for making a yard, generally you will need 45 bags of 80 lb concrete or 60 bags of 60 lb or 90 bags of 40 lb concrete.
Full Answer
How many square feet in a 80 lb bag of cement?
How much does 80 lb bag of concrete? 80 lb bag of concrete yields 0.60 cubic feet which is approximately around 0.0222 cubic yards that will cover around 3.6 sq ft area up to standard depth of 2 inch excavation or backfills, and for 1 cubic feet of landfill you will need 1.66 bags of 80 lb concrete.
How much concrete is in a 80 lb bag?
The approximate volume of concrete produced from a 80 pound bag is 0.6 ft³. To compute how many 80 lb bags of concrete is needed for a total volume, CLICK HERE. Choose your volume units (e.g. cubic feet) Enter the volume (V) The calculator returns the number of 80 lb bags needed to mix that much concrete.
How much is a 80 lb bag of concrete?
You'll also get the number of 40-pound, 60-pound, or 80-pound bags of concrete are needed for the project. For example, a 10′ x 10′ slab that is 4″ thick will need an estimated 1.23 yards 3 or 75 60lb bags of concrete and will cost roughly $140.
What is the cost of 1 bag of cement?
Use of IVIG has since expanded considerably to include the treatment and prevention of complications in various other conditions. The price of Cement products is between ₹340 - ₹360 per Bag during Dec '20 - Nov '21. These are indicative values based on popular product prices.
How many bags of 80 lb concrete do I need?
Generally, there are 45 bags of 80 lb concrete in a cubic yard. A cubic yard of concrete weighs around 3600 pounds, so, number of 80 lb bags of concrete in a cubic yard = 3600÷80 = 45 bags. Thus, you will need 45 bags of 80lb concrete to make one cubic yard. There are 45 bags of 80 lb concrete in a cubic yard.
How much concrete does a 80 pound bag cover?
approximately .60 cu ft.One 80lbs bag of Quikrete Concrete Mix will yield approximately . 60 cu ft. So it will take 45 bag to equal one cubic yard of concrete. If you have a project over a 1/2 a cubic yard you should consider our Mix On-site Concrete especially if you are hand mixing.
How many 80lb bags of concrete do I need for a 10x10 slab?
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 many bags of concrete do I need calculator?
For concrete, the formula for volume is as follows: length x width x thickness. To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield.
How many 80lb bags 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 many bags of concrete do I need for a 4x4 slab?
How many bags of concrete do I need for a 4×4 slab at 4 inch thick?”, its depend on thickness of slab, at 4 inches thick, generally you will need approximately either 12 bags of 60lb or 9 bags of 80lb (0.20 cubic yards or 5.28 cubic feet or 0.15 m3) of premixed concrete for a 4×4 slab.
How many bags of concrete do I need for a 8x10 slab?
Regarding this, “how many bags of concrete do I need for a 10×8 slab at 4 inch thick?”, its depend on thickness of slab, at 4 inches thick, generally you will need approximately either 58 bags of 60lb or 45 bags of 80lb (0.98 cubic yards or 26.4 cubic feet or 0.748 m3) of premixed concrete for a 10×8 slab.
How many bags of quikrete do I need for a 10x10 slab?
The average thickness of a 10' x 10' concrete slab for a shed is 4 inches thick. At 4" thick, your 10 x 10 slab will take 56 bags of concrete that weigh 80 lbs.
How many square feet does a 80 pound bag of quikrete?
4 sq feet in that amount of cement.
How many cubic feet is an 80 lb bag of concrete?
15 cubic feet for every 20 pounds of mix, so a 40-pound bag yields . 30 cubic feet, 60 pounds of concrete mix yields . 45 cubic feet and an 80-pound bag yields . 60 cubic feet.
How do I figure how much concrete I need?
Multiply the width times the length times the height (W × L × H), or use our volume calculator to find the cubic feet. Convert the volume to cubic yards from cubic feet. To do so, divide the cubic footage by 27 to get the yards of concrete needed.
How many sq ft will a bag of concrete cover?
@ 4" thick a 60 lb bag of concrete will fill 1.35 sq. ft.
How Thick Concrete Slab Do I Need For Durability?
You will see 2 different thicknesses of concrete slabs generally, i.e. 4 inches and 6 inches concrete slabs. However, the required thickness depend...
How Much is A Bag of Concrete?
Concrete bag prices vary depending on the materials in it, additives usage, drying time, strength, and the size of the bag. A standard bag of cemen...
How Many Bags of Concrete Are in A Yard?
A bag of 80 lbs concrete can cover 0.5 to 0.6 cubic feet of the surface. As you know that a cubic yard equals 27 cubic feet, you will need 45 bags...
How Much Concrete Do I Need for Footing?
The calculation for the concrete footing is exactly the same as the general calculation we have discussed throughout this article. But people find...
How Much Concrete Do I need for Concrete Steps?
The estimation of the volume for concrete steps is a bit tricky. You need to follow some steps to get into the result. Divide every step into recta...
How to Calculate Round Shaped Concrete?
When you need to make a round-shaped concrete block, round hole, or a ground post, you can't calculate the volume following the traditional way. Th...
How many bags of 80 lb concrete to cover yard?
A bag of 80 lbs concrete can cover 0.5 to 0.6 cubic feet of the surface. As you know that a cubic yard equals 27 cubic feet, you will need forty five 80Lbs bags of concrete to cover a yard surface. On the other hand, if you intend to go with smaller concrete bags, then it will take 60 bags of 60Lbs concrete to fill up a yard of surface.
How much does a cement bag cost?
A standard bag of cement weighing 60 lbs costs around 3.5 to 4 bucks while an 80 lbs bag costs 4.5 to 6 USD. However, if you go with a quick setting or high strength additive-rich concrete mixer, a bag may cost you from 10 to a whopping 30 USD.
How thick is a concrete slab?
How much load you are going to put on the concrete is a key factor to determine the thickness of the slab required. For example, general floor concrete in the residential spaces is 4 inches thick. But in outdoor concrete patios, driveways or parking require 6 inches thick slab where heavy trucks can move sometimes.
Can you pour concrete on sand?
You get a perfect cube of a concrete surface according to your estimation. But in footing, you pour the concrete on loose soil or sand surface. In most of the cases, the surface is uneven and gets suppressed because of the weight of the concrete.
How many yards of concrete do you need to order?
Many ready-mix companies will have a minimum order of 1 yard and charge shortage fees when ordering partial batches. The average truck holds between 9 and 11 yards total.
How to calculate square footage of concrete?
Get the right length and width of the area that you want to cover. Multiply the length by width so that you can get the correct square footage. Convert the thickness of the concrete from inches to feet. After your conversion, multiply the concrete's thickness in feet by the square footage to get cubic feet.
What is crazing in concrete?
Another common issue when it comes to working with concrete is crazing. It's a network of tiny cracks found in the concrete's surface . It often occurs when you use an improperly mixed or cured cement during the installation process. Although these cracks won't work their way into the structure's foundation to create an impact, the fine lines can reduce the property's aesthetic value.
Why is my concrete slab dark?
There are times when concrete can also have light or dark patches because of improper installation techniques. Stains from materials such as automobile fluids and cleaning chemicals can cause it , too. So, as soon as you notice any stains or discolorations, it's best to address it as quickly as possible. Doing so will prevent the stains from seeping in and spreading throughout the entire concrete slab.
How does concrete help in building?
Concrete buildings can moderate the temperature conditions inside the building. Thus, reducing the need for heating and cooling over its service life. When combined with other technologies such as hydronic heating, concrete can boost energy efficiency by up to 70%. Versatile.
What is concrete used for?
When it comes to construction, concrete is man's commonly used material on earth. It's a crucial part of any buildings, roads, dams, and bridges. Furthermore, it also uses a range from different structural applications to drains, curbs, and paviors.
What determines the strength of concrete?
Density: When it comes to ordinary structural cement, the water-to-cement ratio determines its strength. So, regular structural concrete with lower liquid content can cause it to become stronger.
The easy formula for calculating how many concrete bags you need for any application
There are several ways to estimate how many pre-blended sacks you need for any application. One of the simplest methods is summarized in the following two steps:
How many bags of concrete do I need for a sonotube?
In order to calculate how many bags of concrete you need for a sonotube, you should first calculate the volume of the sonotube. The following table summarizes the answer.
How many bags of concrete do I need for a fence post hole 12 inches in diameter and 2.5 feet deep?
Briefly, you need 7 40-lb bags, 5 60-lb bags, or 4 80-lb bags of concrete to fill the post hole.
How many bags of concrete in a yard?
To determine how many concrete bags per yard, you simply divide one cubic yard by the yield of the bag.
How many cubic feet in a bag of concrete?
Determining how many cubic feet per a concrete bag means that you are determining its yield. However, the yield given in previous examples is in cubic yards. Hence, in order to convert cubic yards to cubic feet, you should multiply by 27. Note, each linear yard converts to 3 feet, thereby a cubic yard convert to 27 yards (3x3x3 = 27).
How many ready mixed concrete bags do I need for post holes?
In order to calculate how many ready mixed concrete bags of you need for a post hole, you should first calculate its volume. The following table includes a general summary.
How many ready mixed concrete bags do I need for a fence post hole 40 cm in diameter and 80 cm deep?
In brief, you need 12 20-kg bags, 9 25-kg bags, 8 30-kg bags, or 6 40-kg bags for the post hole. You can either calculate the volume of the post hole in cubic meters, and then divide it by the yield of the premix bag, or simply refer to the table above.
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.
Is it cheaper to make 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.
What is a cheaper alternative to concrete?
There are a few different types you can find in the home improvement store that can replace concrete cement used for driveways and walkways. These include pea gravel, crushed stone, and quarry process. Cheaper than other surface materials and low- cost to install.
How many feet does a bag of concrete cover?
Quikrete’s Concrete Mix yield’s about. 15 cubic feet for every 20 pounds of mix, so a 40-pound bag yields. 30 cubic feet, 60 pounds of concrete mix yields. 45 cubic feet and an 80-pound bag yields.
How thick should a concrete slab be?
Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness.
How many cubic feet is a 5 gallon bucket?
Since a one- gallon pail is equal to 0.134 cubic feet, a standard five- gallon bucket equals exactly 0.67 cubic feet. We’ll explain how we arrived at that number, what exactly is a cubic foot, how you can calculate it yourself and some uses for the five – gallon bucket.
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.
How Much Volume of Concrete Do I Need?
It can be difficult for a novice to remove the exact quantity of concrete needed for a specific construction or project. If you hire an engineer or a contractor to do the work, the estimate will be provided by them.
How Many Premix Concrete Bags Do I Need?
Nowadays, for small household projects, most people do not prepare the concrete by hand. Instead, they buy ready-made premix concrete bags based on their needs. This saves a lot of time and effort.
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.
What Is The General Evaluation Process To Determine Number Of Concrete Bags For A Specific Slab Size?
Following are the steps that will give you an accurate count of concrete bags needed for your slab –
How Many Concrete Bags Do You Need For 4 x 4 Slab?
To find out the number of concrete bags for 4 x 4 slab, let us follow the steps one by one and get the accurate result –
How Many Concrete Bags Do You Need For 8 x 8 slab?
To determine the number of concrete bags for a 8 x 8 slab, first, you will have to evaluate the Volume of the slab in cubic feet and convert it into a cubic yard. You can skip step 3 and jump to step 4 to determine the concrete bags count.
How Many Concrete Bags Are Needed For 4 by 8 Slab?
The Volume of 4 x 8 slab having 4 inches (0.33 cubic feet) will be 10.56 cubic feet, and converting it into a cubic yard will give 0.39 cubic yards.
How Many Concrete Bags Do You Need For 10 x 20 Slab?
The Volume of a 10 x 20 slab having 4 inches thickness will be about 66 cubic feet or 2.44 cubic yards. Therefore, you will need 221.81 bags of 40 lbs size; 176.81 bags of 50 lbs size; 146.10 bags of 60 lbs size; 110.90 bags of 80 lbs size; and 97.60 bags of 90 lbs size. More slab sizes differ according to the requirement.
