How many bags of concrete for 8x8 slab

A Practical Example. To get a better idea of how valuable a concrete calculator can be, let's try a real-world example and build a deck. This deck will require 12 footings. Each footing will be 12 inches across and two feet deep to get below the frost line. A rough estimate might say 24, 60-lb. bags of concrete.The amount of concrete you need for a 4×8 slab depends on how thick it will be. So, for a 4-inch slab you’ll need 0.395 cubic yards (18 80lb bags), a 3-inch slab requires 0.296 cubic yards (14 80lb bags), a 2-inch slab requires 0.198 cubic yards (9 80lb bags), but a 6-inch slab requires 0.593 cubic yards (27 80lb bags).The volume of concrete required for a 10- by 10-foot slab depends on the diameter of the slab. For a 4 inch thickness ...Thanks for watchingConnect with us ...You will need 3 inches of gravel under a concrete slab that is 4 inches thick. More gravel is better, but 3 inches is the minimum amount of gravel you should have with a 4" slab. Use ¾" washed and screened gravel, then compact it to level.Measure the recommended water amount (each 80-pound bag of concrete mix will require about 3 quarts of water). Step 3. Pour approximately 2/3 of the water into ...Because reinforced concrete slabs, blocks, driveways, and buildings will last much, much longer. Rebar sizes. For the imperial-unit countries, bar sizes give the diameter in units of the ⅛ inch for bar sizes #2 through #8. For example, 8⁄8 = #8 = 1 inch diameter. Equivalent metric size is typically specified as the nominal diameter rounded ...If you buy your concrete in 80lbs bags, it will take about 45 bags to equal 1 cubic yard. So, the calculation for an example project with ten 16” (8” radius) piers poured to a depth of 36” would look like this: 10×8” 2 x36” /14850 = 1.55 cubic yards (or 70 bags of 80lbs concrete mix)How many bags of cement required for slab construction . ... The above explained concepts are related to the number of cement bags calculation for M25 grade concrete mix with various areas of the slabs for 8.5344 meters X 17.6784 meters slab it is required approximately 420 bags, for 49 meters X 30.5 meters slab it is required approximately ...

How many concrete bags would I need for a 5 ft x 12 ft x 6" slab? 50 x 80lb Concrete bags. How much does it cost to pour a 5'x12' x6" slab? Ready-mix costs approx $271.54. How much does it cost to hire a contractor to concrete a 5'x12' x6" slab? A pro costs between $300.00 and $630.00. How do you calculate concrete volume?How many bags of concrete do i need for a 2×2 slab. The amount of concrete you need for a 2×2 slab depends on how thick it will be. So, for a 4-inch slab you'll need 0.049 cubic yards, or 1.33 cubic feet (3 80lb bags), a 3-inch slab requires 0.037 cubic yards, or 1 cubic feet (2 80lb bags), but a 2-inch slab requires 0.025 cubic yards, or 0.66 cubic feet (1 80lb bags).Calculate the volume you need in cubic yards. Multiply the length (10 ft.) by the width (10 ft.) by the depth (.35 ft., or 4 in.) and divide it by 27 (the number of cubic feet in a cubic yard). You get 1.3 cu. yds. Then add 10 percent to allow for spillage and slab depth variations to help determine the concrete cost per yard. How much concrete do I need for a 24×24 slab? For a 24×24 slab, you would need approximately 11.6 cubic meters of concrete. However, this amount may vary depending on the thickness of the slab. How do I calculate how many cement bags I need? To calculate how many cement bags you need, divide the total amount of concrete required (in cubic ... Because reinforced concrete slabs, blocks, driveways, and buildings will last much, much longer. Rebar sizes. For the imperial-unit countries, bar sizes give the diameter in units of the ⅛ inch for bar sizes #2 through #8. For example, 8⁄8 = #8 = 1 inch diameter. Equivalent metric size is typically specified as the nominal diameter rounded ...With a brief look, a 16x24 area at 6 inches deep, you would need approximately 10.1 tons or 7.11 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas. Wire mesh on average costs $0.56 per sq ft and fiber mesh costs $0.13 per sq ft. So for your 384 sq ft area, this may roughly cost $215. ...

The amount of concrete you need for a 4×8 slab depends on how thick it will be. So, for a 4-inch slab you'll need 0.395 cubic yards (18 80lb bags), a 3-inch slab requires 0.296 cubic yards (14 80lb bags), a 2-inch slab requires 0.198 cubic yards (9 80lb bags), but a 6-inch slab requires 0.593 cubic yards (27 80lb bags).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. For example, if you have a yard that measures 100 square feet and you want to pour a 4 ...The average cost of a concrete slab is $8 per square foot for materials and labor with most paying between $6 on the low end to $14 per square foot on the high end. ... Quikrete — Calculate how many bags of cement you may need. Added on July 17, 2015; Lowes — Concrete Pad Calculator. Added on April 16, 2023;How many concrete bags would I need for a 8 ft x 15 ft x 6" slab? 100 x 80lb Concrete bags. How much does it cost to pour a 8'x15' x6" slab? Ready-mix costs approx $373.09. How much does it cost to hire a contractor to concrete a 8'x15' x6" slab? A pro costs between $600.00 and $1,260.00. How do you calculate concrete volume?Cement, Sand, & Aggregates For 1000 sq ft Slab. To calculate the quantity of cement, sand, and aggregates required for a flat slab, first we need to calculate the volume. Area of flat slab = 1000 sq.ft =93 sq. m. The minimum thickness provided for the slab is 150 mm. ( According to IS 456) 150 mm = 0.15 metres. Hence Wet volume = Area of slab x ...

George lopez disease.

Concrete Slab Installation Cost Estimate. Average Cost (24x24) $3,460. Highest Cost (40x60) $14,400. Lowest Cost (10x10) $600. Advertisement. Compare Quotes From Top-rated Local Contractors.There are lots of ways to pour concrete, and today I'm showing you the simplest approach I know of. All you need is a rigid tray, a hoe and a few hand tools....blocks = wall sq ft block sq ft. If you’re using a standard 8″ x 8″ x 16″ block, find the number of blocks needed by dividing the wall square footage by 0.89. blocks = wall sq ft 0.89. We recommend adding 5%-10% additional blocks to account for broken blocks or blocks that need to be cut for the edges.Concrete slab projects typically cost between $3,600 and $7,200, but homeowners will pay around $5,400 on average. Residential concrete slabs are useful for supporting the weight of cars, sheds ...How many concrete bags would I need for a 20 ft x 8 ft x 6" slab? 133 x 80lb Concrete bags. How much does it cost to pour a 20'x8' x6" slab? Ready-mix costs approx $439.65. How much does it cost to hire a contractor to concrete a 20'x8' x6" slab? A pro costs between $800.00 and $1,680.00. How do you calculate concrete volume?At 3 inches thick, for a 3×3 slab you would need approximately either 4 80-Pound, 5 60-pound, or 8 40-pound bags of premixed concrete. If you measure in yards, 0.083 cubic yards (or 2.25 cubic feet) of concrete will …

First, measure down to ground level from the high end of a slope line. Add 71⁄2" to that distance (4" for the subbase material and 31⁄2" for the concrete if you are using 2 × 4 forms). Mark the total distance on the story pole, measuring from one end. Remove soil from the site with a spade.With a brief look, a 8x30 area at 6 inches deep, you would need approximately 6.31 tons or 4.44 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas. Wire mesh on average costs $0.56 per sq ft and fiber mesh costs $0.13 per sq ft. So for your 240 sq ft area, this may roughly cost $134. ...How many concrete bags would I need for a 18 ft x 30 ft x 6" slab? 449 x 80lb Concrete bags. How much does it cost to pour a 18'x30' x6" slab? Ready-mix costs approx $1,252.20. How much does it cost to hire a contractor to concrete a 18'x30' x6" slab? A pro costs between $2,700.00 and $5,670.00. How do you calculate concrete volume?With a brief look, a 25x32 area at 6 inches deep, you would need approximately 21.04 tons or 14.81 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas. Wire mesh on average costs $0.56 per sq ft and fiber mesh costs $0.13 per sq ft. So for your 800 sq ft area, this may roughly cost ...A concrete slab is the perfect base for sheds, patios, and other large home projects. Learn how to lay a concrete slab. ... If 80-pound bags of ready-mix concrete, order 134 bags; If 60-pound ready-mix concrete, order 178 bags; Loose Ingredients . For general purpose concrete slabs with 2,500 pounds compression strength, like patios, use a 1:2: ...Let's say we need to make 10 concrete cylinder specimens for compressive strength testing of a new cement brand, and we decide to use concrete cylinders measuring 4 inches in diameter and 8 inches in height.We want to know if the new cement brand can reach a compressive strength of 2,900 psi using a 1:1.5:3 cement mix ratio.Here are the steps to find out how much concrete we would need for ...How much concrete do I need for an area of 7 ft x 7 ft x 6" depth? 0.907 cu. yds. How many concrete bags would I need for a 7 ft x 7 ft x 6" slab? 40.7 x 80lb Concrete bags. How much does it cost to pour a 7'x7' x6" slab? Ready-mix costs approx $252.90. How much does it cost to hire a contractor to concrete a 7'x7' x6" slab?Apr 25, 2023 · For example, if one 80-pound bag of concrete mix yields 0.6 cubic feet, you can calculate the number of bags required by first converting the volume in cubic yards to cubic feet (1 cubic yard = 27 cubic feet) and then dividing the total cubic feet by the yield per bag. Step 4: Calculate the number of bags needed. Once you have determined the volume of concrete needed, you can now proceed to calculate the number of bags. One 80-pound bag of concrete can cover approximately 0.6 cubic feet of concrete. So, divide the volume of concrete by 0.6, and you will get the number of bags needed.How many 80 pound bags of concrete to pour a 8x8 slab 4 inches thick? U need 1.63 80lb bags per square ft so 131bags to do 8ft by 8ft.

Two 50-pound bags of fast-setting concrete will set a 4-inch-by-4-inch post in a hole that's 10 inches wide and 2 feet deep. Tip. Make sure the post is perfectly straight before allowing the concrete to set. Caution. When working with concrete, wear eye protection, gloves and a respirator.

Calculations. ∙ Cured concrete weighs 150 lbs per cubic feet. ∙ 60 lbs bags provide 0.45 cubic feet of cured concrete. ∙ 80 lbs bags provide 0.6 cubic feet of cured concrete. This concrete calculator determines the amount of concrete bags you need to purchase or use when pouring concrete, to help you buy the right amount of bags and ...How many bags do I need? The amount of concrete you need varies by project. 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. How much is a truckload of concrete? A truckload of concrete can usually hold a maximum of 10 ...Example calculation. If we want to find out how much gravel we need for an area 15ft long by 20ft wide, with a gravel depth of 3 inches. Our calculation might look something like this: volume = length × width × depth. volume = 15 × 20 × (3/12) = 75 feet³. cubic yards = 75/27 = 2.78 yd³ . weight = cubic yards × density (tons/yd³).Step 7: Calculate Bags of Concrete: Each 80-pound bag of concrete mix typically yields about 0.6 cubic feet of concrete when properly mixed. To find the number of bags needed, divide the total cubic feet by the yield per bag: 32 cubic feet ÷ 0.6 cubic feet/bag = approximately 53.33 bags; Step 8: Round Up:At a minimum, you need a cement truck to deliver the concrete if you plan to DIY. 8x10 slab, 10" deep is 111 80lb bags of concrete. And that only gets you to the ground, if you go another 6 inches below ground thats 177 bags. You can't get all the concrete mixed and in the form with a small mixer.How many concrete bags would I need for a 6 ft x 12 ft x 6" slab? 60 x 80lb Concrete bags. How much does it cost to pour a 6'x12' x6" slab? Ready-mix costs approx $292.19. How much does it cost to hire a contractor to concrete a 6'x12' x6" slab? A pro costs between $360.00 and $756.00. How do you calculate concrete volume?Pour the concrete mix in evenly placed leads; the top of the concrete mounds should be about 2 to 3 inches above the forms before leveling. Step 7. Consolidate and distribute the concrete evenly using a hoe. The surface of the concrete should be relatively flat and slightly above the form. Step 8.

Joann fabrics sevierville tn.

Oyster bay restaurant and bar menu.

The easiest way to calculate how many bags of concrete you'll need for your project. 1️⃣ Multiply your length, width and depth of concrete2️⃣ Push the 'Concr...QUICKRETE also has a useful calculator to determine how many bags of concrete you'll need. We wanted a 4″ x 12′ x 8′ slab and used about 55, 80 lb. bags. Step 1: Mark the Location of the Shed. This shed will be placed on the property line and we used a laser distance measurer to ensure we had the right distance from the house.In this video, we show you how to pour a small DIY concrete pad! #DIY #ConcreteSHOP HERE:Trowel: https://amzn.to/3x4OHxhWheel Barrow: https://amzn.to/3M3V5Jp...Concrete Calculator. Concrete Calculator. Use our concrete calculator to get a rough estimate of how much concrete you may need for a job. Select the type of work you are performing and insert the dimensions, or request a quote from our experienced concrete estimators.concrete block costs = price per block × number of blocks. When it comes to estimating the mortar needed, a good rule of thumb is that three standard bags will typically cover 100 blocks. To calculate the number of such bags, you need to divide the number of blocks by 33.3: mortar bags estimation = number of blocks needed / 33.3How many 80 pound bags of concrete to pour a 8x8 slab 4 inches thick? U need 1.63 80lb bags per square ft so 131bags to do 8ft by 8ft. How many yards of concrete does it take to pour 3800 sf?Here are some general guidelines for how much gravel is needed for different types of projects: Patios: For concrete patios, a gravel base of 4 to 6 inches is typically recommended. This thickness provides a stable foundation, and adequate drainage, and helps to prevent issues such as settling and cracking. Slabs: For general-purpose concrete ...How many 80lb bags of concrete for 8x10 slab 3in thick? Updated: 9/24/2023. Wiki User. ∙ 9y ago. Add an answer. ... How much concrete would it take to cover a 16x36x2inch deep area? ...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 …First, measure down to ground level from the high end of a slope line. Add 7 1 ⁄ 2 " to that distance (4" for the subbase material and 3 1 ⁄ 2 " for the concrete if you are using 2 × 4 forms). Mark the total distance on the story pole, measuring from one end. Remove soil from the site with a spade. ….

How Many Concrete Bags?* *Approximation Estimate. Concrete Truck for 8'x15' x6" 22% 0.22 Concrete Truck Loads (10 cu/yd Capacity) Cost Estimate for 8'x15' x6" Purchasing …One of the best mixture ratios for a concrete slab is 1 : 3 : 3 (cement : sand : stone), this will produce approximately a 3000 psi concrete mix. This mixing ratio is excellent for a shed slab, but it's also good for most concrete patios, footings, steps, and foundation walls. The proper mixture of water with the cement, sand, and stone forms a ...How many concrete bags would I need for a 20 ft x 9 ft x 6" slab? 150 x 80lb Concrete bags. How much does it cost to pour a 20'x9' x6" slab? Ready-mix costs approx $474.63. How much does it cost to hire a contractor to concrete a 20'x9' x6" slab? A pro costs between $900.00 and $1,890.00. How do you calculate concrete volume? How much concrete do I need for a 24×24 slab? For a 24×24 slab, you would need approximately 11.6 cubic meters of concrete. However, this amount may vary depending on the thickness of the slab. How do I calculate how many cement bags I need? To calculate how many cement bags you need, divide the total amount of concrete required (in cubic ... Lay a sheet of 6 mil plastic on your garage floor. Build a small square form from wood that will hold the concrete. Lay this form on the plastic. Mix the bag of concrete mix with the required water and mix until it's a uniform texture. Remember, you can always add more water. Add the water in stages as you mix.A concrete slab costs $6 to $12 per square foot on average installed, or $5,400 to $10,800 to pour a 30'x30' slab. Concrete materials cost $3 to $7 per square foot. Most concrete slabs are 4" to 6" thick and are used to build a garage floor, patio, or house foundation.Concrete comes in cubic yards and cubic feet. You can order premixed concrete by the yard, while bags of Quikrete and similar brands are sold by the cubic foot. Bags of concrete come in four sizes - 40, 50, 60, and 80 lb bags. A 40 lb bag of concrete covers 0.011 yards or 0.3 cu ft. One 50 lb bag of concrete covers 0.013 cubic yards or 0.37 ...Divide the resulting number by 27 to find cubic yards. The volume of concrete required for a 10- by 10-foot slab depends on the diameter of the slab. For a 4-inch slab, either eight 60-pound or six 80-pound bags are required, while for a 6-inch slab, either 12 60-pound or nine 80-pound bags are necessary.Here's why: A 10-ft. x 10-ft. slab 4 in. thick would require 55 80-pound bags. Not all concrete mixes work best for all applications. A basic concrete mix works for many small projects, such as setting posts, while a high-strength or crack-resistant mix works better for patching a driveway. Avoid substituting a mortar mix for a concrete mix. How many bags of concrete for 8x8 slab, We'll assume each shed foundation is 6" deep with gravel. 8×12 storage shed - this is a popular small prefab storage shed size. 10x14x0.5 = 70; 70/27 = 2.6 cubic yards or 3.6 tons of gravel. 12×18 storage shed - this is a medium size backyard storage shed. 14x20x0.5 = 140; 140/27 = 5.2 cubic yards or 7.3 tons of gravel., Pour the concrete mix in evenly placed leads; the top of the concrete mounds should be about 2 to 3 inches above the forms before leveling. Step 7. Consolidate and distribute the concrete evenly using a hoe. The surface of the concrete should be relatively flat and slightly above the form. Step 8., At 4 inches thick, for a 10×10 slab you would need approximately either 56 80-Pound, 74 60-pound, or 110 40-pound bags of premixed concrete. If you measure in yards, 1.23 cubic yards (33 cubic feet) of concrete will be required. Let's do calculation and proceeds following steps: 4″ thickness in feet = 4/12 = 0.333′., How many concrete bags would I need for a 10 ft x 17 ft x 6" slab? 142 x 80lb Concrete bags. How much does it cost to pour a 10'x17' x6" slab? Ready-mix costs approx $457.99. How much does it cost to hire a contractor to concrete a 10'x17' x6" slab? A pro costs between $850.00 and $1,785.00. How do you calculate concrete volume?, 9 Pour the slab. Mix up the concrete in a wheelbarrow and pour it into place. Make sure you pour at least 40mm of concrete on top of the steel mesh. To remove any air holes from the fresh concrete, give each side of the box a few good taps with a hammer., We'll assume each shed foundation is 6" deep with gravel. 8×12 storage shed - this is a popular small prefab storage shed size. 10x14x0.5 = 70; 70/27 = 2.6 cubic yards or 3.6 tons of gravel. 12×18 storage shed - this is a medium size backyard storage shed. 14x20x0.5 = 140; 140/27 = 5.2 cubic yards or 7.3 tons of gravel., Feb 22, 2023 · MOST RECENT DRY POUR LINK HERE⬇️DRY POURING CONCRETE over EXISTING PATIO…What You Need To Knowhttps://youtu.be/i5PwQFQvbd8DRY POUR CONCRETE WALKWAY: 4 Inches... , With a brief look, a 25x20 area at 6 inches deep, you would need approximately 13.15 tons or 9.26 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas. Wire mesh on average costs $0.56 per sq ft and fiber mesh costs $0.13 per sq ft. So for your 500 sq ft area, this may roughly cost $280 ..., How many 600×600 slabs in a square meter? To find the number of 600×600 slabs needed per square meter, divide the area of the space by the area of each individual slab. For example, if your area is 10 square meters, and each slab covers 0.36 square meters, you would need approximately 28 slabs (10 / 0.36 = 27.78)., For a 5" thick slab, 100 sq. ft. / 65 = 1.54 yards of concrete or 70 (80 lb) bags of concrete For a 6" thick slab, 100 sq. ft. / 52 = 1.92 yards of concrete or 87 (80 lb) bags of concrete For the calculations above, I rounded up to get an even number of bags., A 10 x 10 slab that's 5 inches thick needs 1.6 cubic yards or (72) 80lb bags of concrete. A 10 x 10 slab that's 6 inches thick needs 1.85 cubic yards or (84) 80lb bags of concrete. A 10 x 10 slab that's 7 inches thick needs 2.2 cubic yards or (99) 80lb bags of concrete., 0.444 cubic yards (12 ft 3) Concrete needed. 0.80 tons (1,596 lbs) Concrete needed (bags) 19.95 bags of 80 lbs each, or 26.59 bags of 60 lbs each, or 39.89 bags of 40 lbs each. get code. Quick navigation: Essential concrete basics for using a concrete calculator. Calculating how much concrete you need., ←Measurements. 8x8 Concrete Slab. Using 80 lb. bags, you will need approximately 36 bags of concrete, factoring in 0% waste. How much concrete do I need? 8x8 Concrete …, It can be applied from 2 in. to 24 in. 24/6 Concrete Mix is ready for foot traffic in 8 to 10-hours and reaches structural strength in 24-hours. Use 24/6 Concrete Mix for general and structural concrete repair, setting posts, driveways, walkways, floors, sidewalks, patios, formed work, footings and more., Use this concrete calculator to estimate how much concrete in volume (cubic ft, cubic yards, or cubic meters), weight or number of bags you would need for your walls, columns, steps, slabs, footings, etc. The calculator …, Typically in the US concrete is sold in pound bags or by the cubic yard. How to calculate how much concrete is needed? ... Mr. Calculate needs a slab of concrete covering 20 feet by 20 feet at 6 inches deep. ... 5x5 x6" 10x10 x6" 10x15 x6" 12x12 x6" 20x20 x6" 15x15 x6" 16x16 x6" 18x18 x6" 20x30 x6" 10x12 x6" 11x11 x6" 10x20 x6" 14x14 x6" 8x8 x6 ..., As per general practices, generally you will need approximately 3.13 cubic yards or 84.48 cubic feet or 2.4m3 of ready mix concrete for a 16×16 slab at 4 inches thick. At 5 inches thick, for a 16’×16′ slab, 3.94 cubic yards or 106.5 cubic feet or 3m3 of ready mix concrete are required, while at 6 inches thick, 4.7 cubic yards or 128 cubic ..., With a brief look, a 24x8 area at 6 inches deep, you would need approximately 5.05 tons or 3.56 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas. Wire mesh on average costs $0.56 per sq ft and fiber mesh costs $0.13 per sq ft. So for your 192 sq ft area, this may roughly cost $107. ..., A 10' x 10' concrete slab is equal to 100 square feet. @ 4" thick you'll need 1.25 yards of concrete ... You can use this measurement to figure out how many bags of concrete to use. If you divide 3.93 cubic feet by 27 (3.93/27) = .146 cubic yards. Dividing cubic feet by 27 (a cubic yard) will give you the concrete yardage. ..., Enter the path's length and width as 5 m and 1 m, respectively. The calculator shows your excavation area is 5 m². Next, input the depth of the excavation as 15 cm. Instantly, the calculator tells you that you require 0.75 m³ of gravel, which weighs 1.26 tonnes. You can use the calculator in reverse, too!, blocks = wall sq ft block sq ft. If you’re using a standard 8″ x 8″ x 16″ block, find the number of blocks needed by dividing the wall square footage by 0.89. blocks = wall sq ft 0.89. We recommend adding 5%-10% additional blocks to account for broken blocks or blocks that need to be cut for the edges., For example, if your pouring a 10×12 concrete shed floor that’s 4 inches thick, you’ll need 40 cubic feet of concrete. That works out to 1.48 yards of concrete which is 67 premixed 80 lb. bags totaling 5360 pounds of dry concrete. More when it’s mixed with water. The cost averages around $6 per bag totaling just over $400 before tax., Nov 30, 2021 - how many bags of concrete do i need for a 10x10 slab? depends on the size of the slab whether it is a 10×10 slab or 10×12 etc and the size of the concrete dry mix bag you have ordered from the company., Lay a sheet of 6 mil plastic on your garage floor. Build a small square form from wood that will hold the concrete. Lay this form on the plastic. Mix the bag of concrete mix with the required water and mix until it's a uniform texture. Remember, you can always add more water. Add the water in stages as you mix., How many concrete bags would I need for a 4 ft x 8 ft x 4" slab? 17.7 x 80lb Concrete bags. How much does it cost to pour a 4'x8' x4" slab? Ready-mix costs approx $205.95. , With a brief look, a 10x30 area at 6 inches deep, you would need approximately 7.89 tons or 5.56 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas. Wire mesh on average costs $0.56 per sq ft and fiber mesh costs $0.13 per sq ft. So for your 300 sq ft area, this may roughly cost $168. ..., Input the bag size: Enter the size of the concrete mix bag in pounds (e.g., 60 or 80 pounds). Input the bag yield: Enter the yield of the concrete mix bag in cubic …, units length (l) width (w) height (h) quantity. This concrete calculator determines the amount of concrete bags you need to purchase or use when pouring concrete, to help you buy the right amount of bags and measure the right volume of concrete in your projects that require concrete slabs., 20-25 Mpa This is medium-strength concrete mix and is suitable for house reinforced foundations, light duty house floors patio slabs, steps, driveways and garage floors. Cement River Sand, 18 bags (80 pounds) of quikrete for a 4 inch thick slab. How many 80 pound bags of concrete to pour a 8x8 slab 4 inches thick? U need 1.63 80lb bags per square ft so 131bags to do 8ft by 8ft, How much concrete do I need for an area of 30 ft x 40 ft x 6" depth? 22.222 cu. yds. How many concrete bags would I need for a 30 ft x 40 ft x 6" slab? 998 x 80lb Concrete bags. How much does it cost to pour a 30'x40' x6" slab? Ready-mix costs approx $2,537.49. How much does it cost to hire a contractor to concrete a 30'x40' x6" slab?, To produce a yard of concrete, you'll need to use about 45 80-pound bags or 90 40-pound bags. (Note: A cubic yard of concrete contains 27 cubic feet, so when you divide 27 by 0.60, the result is equivalent to 45 bags.) How many square feet can a bag of concrete cover? Again, It depends on how thick your slab is. For instance, an 80-pound bag ..., How many concrete bags would I need for a 8 ft x 20 ft x 6" slab? 133 x 80lb Concrete bags. How much does it cost to pour a 8'x20' x6" slab? Ready-mix costs approx $439.65. How much does it cost to hire a contractor to concrete a 8'x20' x6" slab? A pro costs between $800.00 and $1,680.00. How do you calculate concrete volume?