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?
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 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 square feet will a 80-pound bag of quikrete cover?
4 sq feet in that amount of cement.
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 concrete do I need for a 10 by 10 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 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 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 calculate how much concrete I need?
How do I calculate how much concrete I need for a slab?Measure the area in feet.Multiply length by width, and then by thickness.Divide the resulting number by 27 to find cubic yards.
How do I figure how much concrete I need?
0:272:06So for right now we're gonna concentrate on how many square feet you have and know the thickness.MoreSo for right now we're gonna concentrate on how many square feet you have and know the thickness. Okay. So let's say we have a four inches thick slab. Well one of the things you can do is just
How many 80 pound bags of Quickcrete make a yard?
Each 80 pound bag yields 0.6 cubic feet. There are 27 cubic feet in a cubic yard. Thus, it requires 45 bags to yield 1 cubic yard.
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.
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 many 80lb bags of quikrete does it take to make a yard of concrete?
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.
How many posts will a bag of Postcrete do?
As for how many bags of postcrete you need per post, that’s purely dependant on how big you make the post holes. As a rule of thumb, when using standard post hole diggers, I average 1 bag per post. For larger holes I would allow 1.5 bags to 2 bags per hole.
How much does a bag of concrete make?
one 20kg bag will cover an area of 1.1m2 to a depth of approximately 10mm. or 108 x 20kg bags equates to one cubic metre of mixed concrete.
Is gravel necessary 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.
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 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.
How much concrete is in a yard?
You might be wondering just how much concrete is in a cubic yard? A cubic yard is equal to 27 cubic feet or 46,656 cubic inches, or 45 80lb bags.
How much does ready mix concrete cost?
Ready-mix concrete typically starts around $115 per yard but could cost upwards of $150 or more, depending on the mix and your location. Consider that there will likely be additional fees for ready-mix for smaller projects, such as delivery or short-load fees.
What is a pre-mixed bag?
Pre-mixed bags are sold by companies like Quikrete or Sakrete, and come in 40-pound, 60-pound, or 80-pound sizes. Using bags can be easier than ready-mix when you have many small pours or a small project where a truck is not practical or cost-effective.
How much does it cost to install concrete slabs?
Average price of concrete. The average cost to install a concrete slab is $6 – $20 per square foot. Besides the cost of concrete and materials, there are also labor costs for preparing the area, the pour, and finishing.
What is concrete made of?
Concrete, which is a mix of water, aggregate, and cement, is most commonly sold by the cubic yard, but is also available in pre-mixed bags. It’s important to calculate the amount of material needed as accurately as possible since you often only get one chance for the pour. We’ll cover the process for estimating concrete in detail below, ...
Can you mix concrete bags on site?
But, keep in mind that mixing bags on-site can become difficult if you’re pouring a large slab or many footings. For the most part, ready-mix concrete from a truck is more cost-effective than bags and makes sense if you have a mid-size project and can pour all at once.
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.