A pallet contains 42 bags or .9333 total yards of concrete. You need 45 bags of 80lb. concrete to equal a full yard. One 60lb. bag yields .01665 yards of concrete. A pallet contains 56 bags or .9324 total yards of concrete. You need 56 bags of 60lb. concrete to equal a full yard.How Many 80lb Bags of Concrete in a Yard. An 80-pound bag of concrete mix isn’t lightweight, which is why they make smaller bags, it also may need to be ordered in. Each sack makes 0.6ft³ and will cover 7.2ft² with a 1” thickness or 1.8ft² to a depth of 4”. A cubic yard is 27ft³ and will require (27ft³ ÷ 0.6ft³/bag) 45 bags of mix ... The calculator will indicate the number of 80 lb bags of QUIKRETE ® Base Coat Stucco and Finish Coat Stucco you will need to construct your stucco wall using a traditional 3 coat or 2 coat application process. (All yields are approximate and do not allow for uneven application thickness, waste, etc.) Calculating volume for a rectangular or square pad is easy. Length x Width x Depth = Volume required. 8 x 9 x 0.292 = 21.024 cubic feet. So how many bags of concrete do I need? Number of 80 pound bags = 21.024 ÷ 0.60 = 35.04. 60 pound bags = 21.024 ÷ 0.45 = 46.72 and 30 pound bags = 21.024 ÷ 0.3 = 70.08 bags.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.Number of 80 lb. Bags: For a 6" Slab: Number of 40 lb. Bags: Number of 50 lb. Bags: Number of 60 lb. Bags: Number of 80 lb. Bags: Select The Right Concrete For You QUIKRETE 5000 Concrete Mix DATA SHEET QUIKRETE Crack Resistant Concrete Mix DATA SHEET QUIKRETE Concrete Mix DATA SHEET QUIKRETE Fast-Setting Concrete Mix DATA SHEETConcrete Bag Calculator — Volume and Weight of Concrete. Calculate. Calculation Result. 0.009 cubic feet or 0.000 cubic yards or 0.000 cubic meters. if pre-mixed concrete*, it is 1.231 lbs or 0.558 kgs. if 60 lbs per bag, it is 0.021 bags. if 80 lbs per bag, it is 0.015 bags. Concrete Bag Calculator — Volume and Weight of Concrete. Calculate. Calculation Result. 0.009 cubic feet or 0.000 cubic yards or 0.000 cubic meters. if pre-mixed concrete*, it is 1.231 lbs or 0.558 kgs. if 60 lbs per bag, it is 0.021 bags. if 80 lbs per bag, it is 0.015 bags. Oct 2, 2023 · Typically, one 80lb bag of concrete can cover around 0.6 cubic feet, and 1 Yard = 27 cubic feet. So 80lb bags of concrete (27 ÷ 0.6)= 45 80lb bags. To calculate the number of bags needed, you will need to divide the total cubic footage of the area by 0.6. Concrete Slabs Calculator. Input length, width and depth of the area. Click the button to calculate the volume of concrete and man-hours (not including mixing) needed for this job. This calculator is to be used as an estimating tool only.How many bags of concrete are in a yard? To produce one yard of concrete, you'll need to use about 45 80-pound bags (or 90 40-pound bags). Because of the time and labor required to prepare such a large quantity, it is usually more cost- and time-effective to have ready mix concrete delivered.While there are many types of cement, Portland cement is the most commonly used cement, and is an ingredient in concrete, mortar, and plasters. Concrete can be purchased in multiple forms, including in 60 or 80-pound bags, or delivered in large amounts by specialized concrete mixer trucks. Forty five 80 pound bags of cement are needed to make one cubic yard of concrete. ... i believe theres 42 80lb bags on a pallet. How many bags of portland cement to make 15x20 slab?How many bags of Quickcrete are in a yard? 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 make a yard? To fill an area of a yard, you need 45 bags with the size of 80 pounds of concrete.Quikrete sells their Fast Setting Concrete MIx and Quikrete 5000 High Early Strength Mix in 50 lb. bags. The amount of 50 lb. bags that come on a pallet are 64 per pallet. You'll have to check with your local store if you're looking for a specific number as I found some 50 lb. bags with only 52 on a pallet.As we know that there are 27 cubic feet in one cubic yard, therefore a pallet of concrete covers just below one cubic yard. This coverage amount is more or less same for 60 lbs. bag of concrete mix. However, a 40 pounds bag of concrete has 80 bags on a pallet and each bag will make around 0.3 cubic feet.We would like to show you a description here but the site won’t allow us.A cubic yard of premix concrete weighs 3,600 pounds, so, number of 80-Pound bags of concrete in a cubic yard = 3600 ÷ 80 = 45 bags. Thus, you will need 45 bags of 80-Pound concrete to make one cubic yard. There are 45 bags of 80 lb concrete in a cubic yard. 80lb bag of premixed is mixture of cement, sand and gravel as concrete, which yields 0. ...How many 80lb bags of concrete make a yard? To fill an area of a yard, you need 45 bags with the size of 80 pounds of concrete.To determine how many bags of concrete you will need, divide the total cubic yards needed by the yields, at 5 inch thick, for a 10×8 slab you will need 1.23 yards of concrete, so number of 80lb bag of concrete = 1.23 ÷ 0.022 = 56 bags, No. of 60lb bag = 1.23 ÷ 0.017 = 73 bags and No. of 40lb bag = 1.23 ÷ 0.011 = 112 bags.How many 80lb bags of concrete do I need per a yard? You will need 45 bags. An 80 lb bag (36.3 kg) of concrete mix yields …If you’re using 80lb bags of concrete, you’ll need 45 bags to make a yard. How much concrete does a 80lb bag make? 6 cubic feet for an 80 lb bag. How much does Quikrete cost per 80 lb bag? Quikrete is $4.30* per 80 lb. bag and you can rent a truck and a cement mixer from your local hardware store for $144.00*. We can deliver …How many bags of concrete are in a yard? To produce one yard of concrete, you’ll need to use about 45 80-pound bags (or 90 40-pound bags). Because of the time and labor …Jan 7, 2021 · A truckload of concrete can usually hold a maximum of 10 cubic yards. 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 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 ... A: Each 80-pound bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet when mixed. For a foundation of 84” in length 10” in width and 12” depth, you will need 5.8 cubic feet of concrete, or 10 80-pound bags. Yields are approximate and will vary with waste, uneven subgrades, etc.Concrete manufacturers often don't specify the density of their concrete mixture directly, but instead give you the bag yield of the material in place. For example, a conventional redymix concrete bag of 80 lbs may be listed as having a yield of approximately 0.60 cu ft or a 25 kg bag may have a yield of ~0.01 cu m.When it comes to building projects, concrete is one of the most important materials you can use. It’s strong, durable, and versatile, making it a great choice for a variety of applications. But before you start any project, you need to know...How many 80lb bags of concrete make a yard. How many bags of concrete do i need for a 8×12 slab. How many bags of concrete do i need for a 3×10 slab. How many bags of concrete do i need for a 5×10 slab. How many bags of concrete do i …Most synthetic fibermesh products are engineered for use as concrete reinforcement at a ratio of 1.0 to 1.5 lbs per cubic yard (.60 to .90 kg per cubic meter). of concrete. Although more, 2 or 3 bags per yard could be added for some "extra" reinforcement, adding less than 1 bag per yard is not recommended. 1.The calculator will indicate the number of 80 lb bags of QUIKRETE ® Base Coat Stucco and Finish Coat Stucco you will need to construct your stucco wall using a traditional 3 coat or 2 coat application process. (All yields are approximate and do not allow for uneven application thickness, waste, etc.) A: A standard bag of concrete weighs about 80-90 pounds. Q: Can I use a concrete bag calculator for a project that's not a slab? A: The concrete bag calculator is designed for slabs, but with some modifications, you can use it for other projects. Thus, either 74- 60lb or 56- 80lb or 112- 40lb bags of concrete will be required for a 10×10 slab at 4″ thick. How many square feet does a 80lb bag of concrete cover? There are 2.5 square feet in a 80 lb bag of premixed concrete at standard depth of 3 inches deep, and 3.6 square feet at 2 inches deep.Below are a few examples with bag weights and the average price per bag. To find out how many concrete bags of each mix comes on a pallet reference the chart above. Concrete bags are placed on a pallet by weight, it has nothing to do with the mix. For example, 42 bags of 80 lbs standard concrete are on a full pallet. 42 bags of 80lbs.Q: How much does a bag of concrete weigh? A: A standard bag of concrete weighs about 80-90 pounds. Q: Can I use a concrete bag calculator for a project that's not a slab? A: The concrete bag calculator …This formula will give you the estimated cubic yardage needed to do your project. For example if you have a concrete slab 24' L x 24' W x 6" thick, the formula would read like this; 24 x 24 = 576 x .5 = 288 divided by 27 = 10.67 cubic yards. (make sure you change the inches thick to feet, 6 inches thick = .5 feet) 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.Jun 3, 2022 · The calculator determines the amount you need for a 4-inch or 6-inch slab. Just enter your slab’s square footage and it will tell you how many 40-, 50-, 60- or 80-pound bags you’ll need. Don’t end up shorthanded when setting fence posts! Quikrete’s concrete calculator ensures you’ll have enough Fast-Setting Concrete Mix to get the job ... ٠٨/٠٩/٢٠٢٢ ... How many 80 lb bags of concrete do I needfor 1 yard? The finished volume of an 80# bagof Sacrete or Quikrete (pre-mixed cement, ...Buy 42 or more $4.39. Interested in purchasing a pallet, buy 42 bag. Ideal for pouring concrete slabs and setting posts. 4000 psi average compressive concrete strength. View More Details. South Loop Store. 982 in stock Aisle 18, Bay 008. Product Weight (lb.): 80 lb. Pickup at South Loop. A: Each 80-pound bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet when mixed. For a foundation of 84” in length 10” in width and 12” depth, you will need 5.8 cubic feet of concrete, or 10 80-pound bags. Yields are approximate and will vary with waste, uneven subgrades, etc.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. Use the following yields per each bag size: 40 pound bag yields.011 cubic yards.You will need 72 bags of 50 lb a yard of concrete will cover around 108 square feet area up to a standard depth of 3 inches for your slab or patio. 72 bags of 50 lb concrete are needed to make 1 cubic yard of concrete. How Many 60 Lb. Bags of Concrete on a Pallet?Generally speaking, you will need 45 80-lbs bags of concrete mix to make a yard. For those who don't know, a concrete mix bag weighing 80 pounds (36.3 kilograms) provides around 0.60 cubic feet (17L). A cubic yard contains 27 cubic feet of concrete. So, when you split 27 by .60, you will get 45 bags.Each 80-pound bag of ready-mix concrete requires about 6 pints of water, for a total weight per bag of 86.25 pounds. Five bags of ready-mix produces 3 cubic feet of wet mix that weighs approximately 431.25 pounds. Check the mixer operation manual for maximum weight limits to be sure you're working within the safe limits of the machine. On average, it will take 90 40lb bags, 60 60lb bags, or 45 80lb bags to fill one cubic yard of concrete. How many bags of concrete do I need for a 10×20 slab? A 60-pound bag yields. 017 cubic yards, and an 80-pound bag yields. 022 cubic yards.You will need 45 bags of concrete mix to make a cubic concrete yard. And that 80- pound bag of 36.3 kg of substantial mix yields about 0.60 cubic feet (17 liters) of concrete. One …Apr 2, 2023 · As we know that there are 27 cubic feet in one cubic yard, therefore a pallet of concrete covers just below one cubic yard. This coverage amount is more or less same for 60 lbs. bag of concrete mix. However, a 40 pounds bag of concrete has 80 bags on a pallet and each bag will make around 0.3 cubic feet. On average, it will take 90 40lb bags, 60 60lb bags, or 45 80lb bags to fill one cubic yard of concrete. How many bags of concrete do I need for a 10×20 slab? A 60-pound bag yields. 017 cubic yards, and an 80-pound bag yields. 022 cubic yards. On average, it will take 90 40lb bags, 60 60lb bags, or 45 80lb bags to fill one cubic yard of concrete. How many bags of concrete do I need for a 10×20 slab? A 60-pound bag yields. 017 cubic yards, and an 80-pound bag yields. 022 cubic yards.The approximate volume of concrete produced from a 80 pound bag is { {constant,e6d08af3-da27-11e2-8e97-bc764e04d25f}}.The weight of concrete is determined by its density, which can vary based on the amount of aggregate, water, and air in the mix. Volume of a 50 lb bag of concrete :- Volume of a 50 lb bag of concrete is about 0.375 cubic feet which is approximately equal as 0.0138 cubic yards or 2.8 gallons or 10.62 Litres or 0.0106 m3.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 .60 cubic feet. One 50-pound bag of Quikrete Fast Setting Concrete Mix yields about .375 cubic feet.Therefore, 3 ft x 3 ft x 3 ft = 27 cu. ft and 1 yard x 1 yard x 1 yard = 1 cu. Yard. It means 27 cu. ft = 1 cu. yard. So, you get how many bags of concrete are in a yard, and you have to divide the 27 cu. ft. by 0.45. 27 /0.45 = 60 bags. So, you required 60 bags of concrete in a yard of work. 4. How Many 80lb Bags of Concrete In A Yard.Jan 7, 2021 · A truckload of concrete can usually hold a maximum of 10 cubic yards. 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 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 ... A: Each 80-pound bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet when mixed. For a foundation of 84” in length 10” in width and 12” depth, you will need 5.8 cubic feet of concrete, or 10 80-pound bags. Yields are approximate and will vary with waste, uneven subgrades, etc.One cubic yard of Portland cement converted to pound equals to 2,538.00 lb. How many pounds of Portland cement are in 1 cubic yard? The answer is: The change of 1 cu yd - yd3 ( cubic yard ) unit of Portland cement measure equals = to 2,538.00 lb ( pound ) as the equivalent measure for the same Portland cement type.A 60 lb bag will yield .017 cubic yards of concrete, an 80 pound bag will yield .022 cubic yards. So to break this down you would need 78 60lb bags of concrete mix 61 80lb bags of concrete mix which accounts for the extra 10% that we discussed earlier.Under the Concrete materials needed section of our tool, choose I'll mix my own concrete for the Concrete mix since we are trying out a new cement mix and would like to mix our own concrete. Select 1:1.5:3 (20.0 MPa or 2900 psi) for the Concrete mix ratio for this particular test.Each 80-pound bag of ready-mix concrete requires about 6 pints of water, for a total weight per bag of 86.25 pounds. Five bags of ready-mix produces 3 cubic feet of wet mix that weighs approximately 431.25 pounds. Check the mixer operation manual for maximum weight limits to be sure you're working within the safe limits of the machine.Jan 7, 2021 · A truckload of concrete can usually hold a maximum of 10 cubic yards. 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 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 ... A yard of concrete is equal to about 80-90 bags of 40-pound concrete bags, depending on the brand and how it is mixed. Specifically, a 40-pound bag of concrete yields about 0.45 cubic feet of concrete. Since a cubic yard is equivalent to 27 cubic feet, it would require approximately 60-65 bags of 40-pound concrete bags to make a yard of concrete.There are 45 bags of 80lb (pound) Quikrete or Sakrete concrete per yard. One 80lb bag of Quikrete or Sakrete Concrete Mix will yield approximately 0.60 cubic feet (17 liters) and 1 yard equals 27 cubic feet. So it will take 45 bags of 80-pound to make one cubic yard of concrete. Calculation: 27 ÷ 0.60 = 45 bags.Each 60-pound bag of QUIKRETE® Concrete Mix will yield approximately 0.45 cubic feet of mixed concrete. How many 80lb bags of concrete make a yard? how many 80lb bags of concrete are in a yard? You will need 45 bags of concrete mix to make a cubic yard of concrete. There’s 27 cubic feet of concrete in a cubic yard.Enter the depth, width and length of your concrete slab to calculate the number of cubic yards, meters or concrete bags needed to complete your project. Thickness In Width ft Length ft Calculate Volume of Concrete 0 Yards How many pre-mix bags 40# Bags 0 bagsA: Each 80-pound bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet when mixed. For a foundation of 84” in length 10” in width and 12” depth, you will need 5.8 cubic feet of concrete, or 10 80-pound bags. Yields are approximate and will vary with waste, uneven subgrades, etc.A 80 lb. bag provides 0.6 cubic feet of cured concrete. If you have concrete delivered it is sold by the yard (which is a cubic yard = 27 cubic feet). Following are the formulas to calculate how much concrete you will require for a square or rectangular shaped pour: In this regard, “how many 80lb bags of concrete are in a yard?”, typically you'll want 45 baggage of 80 lb concrete blend to make a cubic yard of concrete with the intention to cover around 108 rectangular ft area up to a trendy depth of 3 inches on . Just another WordPress site.Typically, one 80lb bag of concrete can cover around 0.6 cubic feet, and 1 Yard = 27 cubic feet. So 80lb bags of concrete (27 ÷ 0.6)= 45 80lb bags. To calculate the number of bags needed, you will need to divide the total cubic footage of the area by 0.6.Each 80-pound (36.3kg) bag of Quikrete or Sakrete Concrete Mix will yield approximately 0.60 cubic feet (17 liters) when mixed. Volume of a 80 lb bag of premixed concrete is about 0.60 cubic feet or that equates 0.022 cubic yards, or 17 Liters or which is approximately equal as 4.5 gallons or 0.0169 cubic meters.Apr 2, 2023 · As we know that there are 27 cubic feet in one cubic yard, therefore a pallet of concrete covers just below one cubic yard. This coverage amount is more or less same for 60 lbs. bag of concrete mix. However, a 40 pounds bag of concrete has 80 bags on a pallet and each bag will make around 0.3 cubic feet. Maximizer features a specially manufactured aggregate material and higher volume of cement. High strength 5500 psi strength. 4% stronger than regular concrete. Use for: Driveways, slabs, walkways, fence posts, walls and footings. Air entrained to help prevent damage caused by winter's freeze-thaw cycles.Forty five 80 pound bags of cement are needed to make one cubic yard of concrete. ... i believe theres 42 80lb bags on a pallet. How many bags of portland cement to make 15x20 slab?A 80 lb. bag provides 0.6 cubic feet of cured concrete. If you have concrete delivered it is sold by the yard (which is a cubic yard = 27 cubic feet). Following are the formulas to calculate how much concrete you will require for a square or rectangular shaped pour:On average, it will take 90 40lb bags, 60 60lb bags, or 45 80lb bags to fill one cubic yard of concrete. How many bags of concrete do I need for a 10×20 slab? A 60-pound bag yields. 017 cubic yards, and an 80-pound bag yields. 022 cubic yards.Product Details. SAKRETE 80 lb. High Strength Concrete Mix is a high-quality mix designed to provide outstanding strength and durability. Made from a special blend of sand, coarse aggregate and cementitious materials, this concrete mix can be used for new construction or repairs where concrete thickness exceeds 2 in. (51 mm).This concrete calculator will help you determine the volume of concrete you need in cubic yards, cubic feet, and cubic meters. It also calculates the number of 40lb, 60lb, or 80lb bags of concrete needed, and an estimated cost for the concrete. You can calculate how much concrete you will need for concrete slabs, walls, stairs, footings ...٣١/٠٥/٢٠٢٢ ... Watch as Relentless Lawn & Landscape makes a footer for a flowerbed with the MudMixer for our May Project of the Month!A 80 lb. bag provides 0.6 cubic feet of cured concrete. If... How many 80lb bags of concrete make a yard?Aug 3, 2019bag provides 0 cubic feet of cured concrete.The solution to this is very simple. Simply enter your details into the above calculator to obtain an estimate. Concrete premix bags are available in the following sizes: 40lb, 60lb, and 80lb. Each bag size has a different volume. To fill one cubic yard of concrete, you will need 90 bags of 40lb size, 60 bags of 60lb size, and 45 bags of 80lb size.Project is 15' x 21' x 4" patio using 60 lb quickcrete bags. A: Each 60-pound bag of QUIKRETE Concrete Mix yields approximately 0.45 cubic feet when mixed. For 15x21 by 4 inches slab of concrete, you will need 120 cubic feet of concrete, or 267 60-pound bags. Yields are approximate and will vary with waste, uneven subgrades, etc.The Concrete by 80lb Bag calculator computes the number of 80 pound bags of concrete and volume of water needed to mix a volume ( V) of concrete. INSTRUCTIONS: Choose units and enter the following: ( V ) Volume of Concrete. 80 lb Bags (n): The calculator returns the number of 80 lb bags needed and the water …Jun 16, 2023 · A cubic yard of concrete weighs about 3600 pounds, so the number of cubic feet in an 80-pound bag of concrete = concrete = 80÷3600 = 0.022 cubic yards. Thus, an 80-pound bag of concrete contains 0.022 cubic yards. Therefore, one of Quirete’s 80lb bags of concrete gives a volume of 0.022 cubic yards. A cubic yard of concrete weighs ... A: A standard bag of concrete weighs about 80-90 pounds. Q: Can I use a concrete bag calculator for a project that's not a slab? A: The concrete bag calculator is designed for slabs, but with some modifications, you can use it for other projects. How Many 80lb Bags of Concrete in a Yard. An 80-pound bag of concrete mix isn’t lightweight, which is why they make smaller bags, it also may need to be ordered in. Each sack makes 0.6ft³ and will cover 7.2ft² with a 1” thickness or 1.8ft² to a depth of 4”. A cubic yard is 27ft³ and will require (27ft³ ÷ 0.6ft³/bag) 45 bags of mix ... While there are many types of cement, Portland cement is the most commonly used cement, and is an ingredient in concrete, mortar, and plasters. Concrete can be purchased in multiple forms, including in 60 or 80-pound bags, or delivered in large amounts by specialized concrete mixer trucks.The cost of concrete per cubic yard depends on which brand you purcha, , How many 80 lb bags of concrete make a yardConcrete ready mix made of blended mi, Thus, you will need 45 bags of 80lb concrete to make one cubic yard. How ma, On average, it will take 90 40lb bags, 60 60lb bags, or 45 80lb bags to fill one cu, The number of bags you’ll need will vary depending on the weight of the bag. 90 Bags of , We would like to show you a description here but the site won’t allow us., Concrete is one of the most used building materials in constructio, Notes: Pre-mix concrete comes in bags that are 60 lbs. an, How many 80lb bags of concrete make a yard?Aug 3, 2019bag provides, The solution to this is very simple. Simply enter your d, 60 Bags of 60 lb concrete make a yard or concrete. 45 Bags of, A 80 lb. bag provides 0.6 cubic feet of cured concr, The approximate volume of concrete produced from a , We would like to show you a description here but the site won’t, A: Each 80-pound bag of QUIKRETE Concrete Mix yields, Approximate grout fill volume and coverage for a concrete block wall. , If you’re using 80lb bags of concrete, you’ll need 45 .