500 sq ft x 3/8 inch thick weighs 780lbs. Since one cubic yard of solid concrete weighs just over 4,000 pounds, its important to calculate the weight of a slab before calling for a dumpster. But what happens if Im measuring in different units? This is because the densities of these two forms of concrete vary. Cubic foot concrete weighs 145 pounds. 2022 ConCalculator.com All Rights Reserved. and stack on the job site costs $0.30 to $0.60 per square foot. Then multiply .333 x 150 lbs per cubic foot = 49.95 pounds per sq. The same segment created from lightweight concrete weighs approximately 14.5 pounds. If you have a lot to get rid of, rent more than one dumpster to avoid overage fees and ensure the debris can be hauled safely. You can't figure out the weight of concrete without knowing how thick it is. Cement can be used alone for smaller jobs like grouting or to repair cracked concrete. The concrete square column calculator exactly as you see it above is 100% free for you to use. Keep in mind that concrete is typically poured to be 3-4 inches thick. As you probably know, there are many kinds of concrete out there. Most areas have a 10 tons (20,000 pounds) weight limit for dumpsters for safety reasons. $4.49 . To get an even better idea of how much your project will cost, get quotes from local contractors that can come see the site. What's left to do is to calculate the total . Each of them is 4 feet in height and 10 inches in width (which is its diameter). The best way to calculate how much concrete you will need in cubic yards is to do the following: NOTE: As you probably know, foundation walls and stem walls need different calculations. The reason why the numerator is 144 is that there are 144 square inches in one square foot. Keep in mind that although a slab may appear dry on the surface it may still be holding water inside. Concrete Reinforcement. Our concrete weight calculator is easy to use and understand. ft. of concrete @ 1 inch thick weighs 12.5 pounds/sq. Wall Thickness (inches) Result: Cubic Yard =. Concrete: 150 pounds per cu. All you need is to enter two values quantity and price and calculate the total volume and cost of materials when entering the price per cubic foot, price per cubic yard or price per cubic meter. This will tell you if you if there may be a problem in the project plan that needs the expensive attention of an engineer. Then, there are cellular, cork, roller-compacted, glass and asphalt types of concrete as well as endless possibilities to choose from.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'squarefootagearea_com-banner-1','ezslot_8',139,'0','0'])};__ez_fad_position('div-gpt-ad-squarefootagearea_com-banner-1-0'); As soon as you pick the material, you need to figure out how much concrete you need for your concrete project. Then, it uses the following formula to calculate the volume (in cubic yards) under each step: $$Volume\,under\,step\,1 = Run \times Rise \times Width \times Number\,of\,Step = 5 \times 7 \times 9 \times 1 = 315\,yd^3$$, $$Volume\,under\,step\,2 = Run \times Rise \times Width \times Number\,of\,Step = 5 \times 7 \times 9 \times 2 = 630\,yd^3$$, $$Volume\,under\,step\,3 = Run \times Rise \times Width \times Number\,of\,Step = 5 \times 7 \times 9 \times 3 = 945\,yd^3$$. At a thickness of 10 inches, a concrete slab weighs about 125 lbs per square foot of surface area. The bigger the concrete chunks the more voids youll have. ft. of concrete @ 11 inch thick weighs 137.5 pounds/sq. Another big factor effecting concretes weight is water. At a thickness of 6 inches, a concrete slab weighs about 75 lbs per square foot of surface area. When disposing of old concrete, its important to get the right size dumpster for safe hauling. In this example, you'd need 18 lengths at 20 feet for a total of 360 linear feet. A cubic foot of broken concrete weighs 75 pounds. 12 inches of concrete is a common thickness for footings. Please use the calculator below to give you some estimate of the concrete amount. Real-time graphics. ft. per ties. It's important to remember the 500 square feet is in reference to drywall, and not the square footage of a room. Thinner slabs can be used for exterior paving. Stone weights are calculated in U.S. lbs per cubic foot (cf) for natural stone. Then determine how thick the concrete is in inches. Table 14-in. Multiply the answer by 50 of concrete for 50 tubes (0.08 x 50). Schedule business trash pickup in hundreds of cities nationwide. Our team will help you rent the right dumpster size and quantity for your project when you call. It helps you reduce the cost in case you need small amount and ready mix from a company is not required. You will also be able to decide number of bags of concrete to place a order.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'squarefootagearea_com-medrectangle-4','ezslot_3',144,'0','0'])};__ez_fad_position('div-gpt-ad-squarefootagearea_com-medrectangle-4-0'); From professional constructor to DIY Enthusiast, anyone who is working on a project that requires the quantity of concrete to be determined. Select an industry to find tailored waste solutions for you. Find the right trash container size for any waste removal need. 33 x .037 = 1.22 cubic yards. How much does 20 yards of concrete weigh? Construction, Cement, Concrete Yardage Calculator. For comparison a square foot of 1.5 inch thick granite is 17.5 pounds. This is called the tributary load. The outer diameter is 10 ft and the inner diameter is 9 ft. Get empty-and-returns when you're generating a lot of debris. The thicker the slab the more concrete weighs per square foot. But in general: Concrete pavers that are 1 inch thick weigh about 12 pounds per square foot. For pavers, enter in the total square footage of either your order or your stone project. Simply select the desired units in the drop down options and our concrete calculator will do the following conversions: $$1\,ft = 12\,in = 0.33\,yd = 30.48\,cm = 0.3048\,m$$ $$1\,t = 2000\,lb = 0.893\,long\,ton = 907\,kg$$ How do you calculate the weight of concrete? For large concrete jobs (of 4 cubic yards or more), the concrete calculator can help you see the amount which needs to be delivered by a ready-mix truck. Use our concrete calculator to calculate how many yards you'll need for slab and footing pours. But you cant fill them up all the way. Why Are Built In Refrigerators So Expensive? The thicker the slab the more concrete weighs per square foot of surface area. With it, you can precisely calculate concrete volumes for slabs, footers, steps, walls, gutters, curbs and walls. Alternatively, in some factory settings, concrete is mixed into dryer forms to manufacture precast concrete products such as concrete walls. Commonly, concrete slabs are between 4 and 20 inches thick and are used for a purpose of floor and ceiling construction. A cubic yard of concrete fills a cube 3 long x 3 wide x 3 deep. Convert the volume from feet to cubic yards to get a precise number of concrete that you need in cubic yards. Dont forget, it can be helpful to purchase slightly more concrete than the volume the estimator calculates to allow for spillage and alterations in slab depth. ft. 1 sq. 3. I want to estimate how many 40lb bags of concrete I need. Another way to figure out the weight of concrete is by the cubic yard. 150# at 1, 300# at 2, 450# at 3, etc. Then multiply the 5 feet thickness with 145 ponds & you get 72.5 pounds. Lets say I need to construct 5 columns measuring 2 feet in diameter and 3 inches high. From most of the quotes we did research, the average price, when hiring a professional contractor, seemed to be in the $2.50 to $6+ per square foot range. Get in touch with our team today. Concrete (per 1" thickness) 12.5 pounds per square ft. To determine the yardage of concrete in your driveway, first multiply the total length by the width of your driveway to find the square footage. Smaller slabs, such as the hot tub base can easily be poured offsite and then delivered to your home. This is because truck beds and dumpsters are measured by volume. The price of the concrete is $108 per cubic yard. The total volume is calculated using the formula: $$Volume = Length \times Width \times Thickness$$, $$Volume = \pi \times Radius^2 \times Depth$$, $$Volume = \pi \times (Outer\,radius^2 Inner\,radius^2) \times Height$$, $$Volume = Curb\,volume + Gutter\,volume$$, $$Curb\,volume = Curb\,depth \times Curb\,height \times Length$$, $$Gutter\,volume = (Gutter\,width + Curb\,depth) \times Flag\,thickness \times Length$$, $$Volume = Volume\,under\,platform + Volume\,under\,steps$$, $$Volume\,under\,platform = Platform\,depth \times Rise Width \times Number\,of\,steps$$, $$Volume\,under\,step = Run \times Rise \times Width \times Number\,of\,Step$$. To find the weight of your concrete debris, first, calculate the square footage of the material by multiplying the length by the width. We use cutting-edge mapping software to identify the most convenient place for your dumpster for efficient loading. Calculate Crushed Concrete Road Base. Concrete is a porous material that absorbs water. Once you are ready to buy the material, it can help you find the amount of concrete you need based on your project. By adding depth to the equation you turn the measurement into cubic feet instead of square feet. Number of Stairs stairs start from the bottom step but do not include the platform. 100 x .33 = 33 cubic feet. density of concrete, Asphalt is equal to 2 243 kg/m. Multiply the depth of the slab by 12.5 lbs per square foot to get the slabs actual weight per square foot based on its depth. 6.84 kg. Let us know your project timeline to easily coordinate dumpster service with your other equipment rentals. . Youll notice that we do this with all our examples (but the calculator does this for you!). Get Notified About New Articles, GREAT DEALS on Home Goods, Videos & Product Reviews. This is because there are so many factors that can affect the final cost, including the size of the wall, the . Rent dumpsters for short-term projects at the office or workplace. If you load it full of broken concrete thats 3900 lbs. ft. Stone pavers that are 1 inch thick weigh about 12 -14 pounds per inch per square foot. Under the heading "Concrete" you will see a specific note of the pounds per square inch--psi--strength that the concrete must reach . The concrete calculator can be used to estimate the total volume of concrete that you need for your project. Building a concrete patio costs an average of $4.40 to $16 per square foot. ft. 1 sq. But to figure out concretes weight per square foot you also have to consider its depth. Follow our helpful guides and complete your outdoor projects. On the other hand, ready-mixed concrete is great for large patios, driveways, pool decks, foundation slabs, parking lots, commercial sidewalks and similar projects. A concrete calculator for round slab projects. Using the measurements provided, our calculator first works out the volume of the required concrete mix using the formulae given below. ft. 1 sq. ft. 1 sq. Concrete weighs 12.5 lb per square foot @ 1 inch thick. Shortly, what you have is 4 x 10 tubes. Fill a space with concrete (150 lb/ft) Let's say we need to fill in an area of space measuring 5 feet long, 3 feet wide and 2 inches deep with concrete which costs $50 per US short ton. With it, you can precisely calculate concrete volumes for slabs, footers, steps, walls, gutters, curbs and walls. The five options are asphalt, gravel, Portland-Limestone, Portland, and reinforced concrete. One square foot of 1.5 inch thick normal concrete weighs about 18 pounds. Example: 10 x 10 = 100 square feet 4 12 = .33 100 x .33 = 33 cubic feet 33 x .037 = 1.22 cubic yards The Concrete Calculator estimates the volume and weight of concrete necessary to cover a given area. 2 - 6 million psi for the conventional concretes. There are "light" and "heavy" types of reinforced concrete ranging in weight from 100 pounds per cubic foot to 300 pounds per cubic foot. Weight For Types of Metal Deck As you have come to learn metal deck comes in different types: roof, floor, form, and cellular. Multiply the volume by the density (in the same units) to get the weight If you have any questions about concrete, email any time. We hope that the tips above helped you with your concrete estimation process. Concrete is ordered by volume in cubic yards. 1 cubic yard = 27 cubic feet. In comparison, granite is approximately 18 pounds per square foot. At a thickness of 5 inches, a concrete slab weighs about 62.5 lbs per square foot of surface area. Learn more about the people who make renting a dumpster easy. Simply take the area (in square feet) you want to use as a measurement and divide the number of pounds you want to place on the area by that number. Concrete is used to solidify the structure of any building during the construction process. To calculate the weight of a ton of rebar, you must first determine its diameter and area, as well as its weight per linear foot. Then multiply that by the estimated depth of the concrete. See how we're helping the communities we serve. Pros and cons of Gypcrete Light and fire-resistant: It's light in weight and resistant to fires , with the average 1.5-inch slab weighing close to 13 pounds a square foot in comparison to . 6/12 = 5. The calculator would perform the following calculations to calculate that the slab would need 174 bags: $$Volume = Length \times Width \times Thickness = 12\,ft \times 12\,ft \times 4\,in = 48\,ft^3$$, $$Weight = Total\,volume \times 145\,lb/ft^3 = 48\,ft^3 \times 145 = 6960\,lb$$, $$Bags = {Weight \over 40\,lb} = {6960\,lb \over 40\,lb} = 174\,bags$$. Most areas place a legal limit for how much weight can be safely transported on the road. How does this concrete calculator work? This tool has wide use in civil engineering. Calculate the volume of your area after determining its shape (see the examples below) by multiplying it with the thickness of the concrete. To calculate how many patio pavers fit in one square foot, the following formula is needed: pavers per square foot = 144 / single brick's area. We know this can be tricky when working with concrete, especially when estimating. For example, if Im demolishing a 40 4 slab I make it 41 for the sake of determining weight. Slump - Slump is a measure of the consistency of the concrete. A concrete calculator for square slab projects. So how much does concrete weigh per square foot? To help you avoid going over the 10-ton weight limit, we may recommend only filling your container half-way. Each unit has square ends and two square cores, as shown in Figure 1. ft. of concrete @ 10 inch thick weighs 125 pounds/sq. = Pi, or 3.142. r = The radius of the steel bar, squared. In contrast, its tensile strength is only 300 to 700 psi (2,757.9 to 4,826.33 kPa). ft. of concrete @ 4 inch thick weighs 50 pounds/sq. But how do you figure out how much concrete weighs per square foot if the measurements are smaller than 1 square foot or a whole inch? Number of Stairs is the total number of stairs and include the platform. If you use a standard 16" x 8" block, the area of a single block is 128 square inches, and you will need 563 concrete blocks, as 500ft / 128in = 72,000in / 128in = 562.5 (rounding up to the nearest whole number). Since concrete is a mixture of different compounds, so it is made by combining some of the materials together in a perfect proportion. Please call and talk to a sales rep for an accurate quote. 500 sq ft x 5/8 inch thick weighs 1,300lbs. For our next example, lets say we need to construct 4 curbs with the following measurements: The calculator would first work out the total volume of the 4 curbs: $$Curb\,volume = Curb\,depth \times Curb\,height \times Length = 3\,in \times 4\,in \times 10\,ft = 0.8333\,ft^3$$, $$Gutter\,volume = (Gutter\,width + Curb\,depth) \times Flag\,thickness \times Length = (10\,in + 3\,in) \times 3\,in \times 10\,ft = 2.7083\,ft^3$$, $$Volume = Curb\,volume + Gutter\,volume = 0.8333\,ft^3 + 2.7083\,ft^3 = 3.54\,ft^3$$, $$Total\,volume = Volume \times Quantity = 3.54\,ft^3 \times 4 = 14.167\,ft^3$$. When it comes to concrete walls, it can be hard to know just how much they will cost per square foot. To get a more specific recommendation, including the number of containers youll need, give us a call at 844-282-4253. How much does 8 inches of concrete weigh per square foot? Get one point of contact for reliable debris cleanup at every jobsite. Sq. 8 inches of concrete is a common thickness for some spread footings and a patios edge footing. This is achieved through techniques such as spraying concrete slabs with compounds that create a film over the concrete that retains water, as well as ponding, where concrete is submerged in water and wrapped in plastic. Production of concrete is time-sensitive, and the concrete must be placed before it hardens since it is usually prepared as a viscous fluid. A concrete calculator for stairs columns. The online concrete slab load capacity calculator is a great engineering tool to help you calculate floor strength. The weight per square foot for a 20 Gauge Galvanized panel in W2-36 is 2.1 pounds per square foot and the W3-36 is 2.3 pounds per square foot. At a thickness of 1.5 inches, a concrete slab weighs about 18.75 lbs per square foot of surface area. There is no excess grout in the wall. How much does 5 inches of concrete weigh per square foot? Weight. 8000 psi. Concrete cost per square foot. How much does 10 inches of concrete weigh per square foot? Lightweight countertop mixes are available to help reduce the restrictions found in design and installation with heavy countertops. For a broken concrete, the weight of 5 cubic feet will be 575 = 375 pounds. ft . A cubic foot of concrete fills a space 1 foot wide x 1 foot long x 1 foot deep. At a thickness of 12 inches, a concrete slab weighs about 150 lbs per square foot of surface area. Concrete can be ordered in yard increments. To calculate how much a concrete slab weighs per square foot when the numbers get smaller I simply round up to a full square foot. How Many Bags Of Concrete Are On A Pallet? ft. of concrete @ 12 inch thick weighs 150 pounds/sq. ft. of concrete @ 5 inch thick weighs 62.5 pounds/sq. Proper mixing is essential for the production of strong, uniform concrete. If you need to construct multiple concrete slabs/columns, etc., then our calculator can work out the total volume required: $$Total\,volume = Volume \times Quantity$$. First of all, the paste is prepared to form a perfect mixture. 140 lbs. Circular slab with price per unit of volume, 4 curbs with price per unit volume and 50 lb bags of concrete. Concrete is a material comprised of a number of coarse aggregates (particulate materials such as sand, gravel, crushed stone, and slag) bonded with cement. A solid slab of concrete weighs 4,050 pounds per cubic yard. That means a concrete of 5 foot width, 5 foot height, and 5 foot length will have a weight of 750 pounds (if it is a solid slab). You can benefit and get an accurate cubic yards value of the amount of concrete that you need to make your custom structure. Remember: A cubic foot or yard of concrete weighs less once its broken up due to the empty spaces between the pieces. Essentially you are solving for volume and then converting to cubic yards. NOTE: This Calculator should be used as an estimating tool ONLY. Concrete Block 8" 36 pounds each: Decking, 2" nominal: 4.3 pounds per sq. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'squarefootagearea_com-box-4','ezslot_6',138,'0','0'])};__ez_fad_position('div-gpt-ad-squarefootagearea_com-box-4-0'); So, here we are going to describe that what actually concrete is and how is it made: Concrete is a mixture of aggregates and paste. The first step is to determine the volume of the steel bar, with the equation as follows for round bar stock: V = r 2 l. When calculating the weight of a steel bar, the equation consists of the following elements: V = Volume. When dry concrete is mixed with water it becomes a semi-solid similar in consistency to thick oatmeal. One cubic yard of concrete typically weighs one ton, or 2,000 pounds. All you have to do now is: In the concrete calculator, select the concrete type from the first box. If one cinder block costs $1.5, you will pay 563 * $1.5 = $844.5 You cant figure out the weight of concrete without knowing how thick it is. We hope the example above clearly showed you how to use a concrete calculator and get to the values that are important to you or your custom project. Pouring a new. For a project of this size we typically recommend: *These are estimations and recommendations only. Ft. per tie x 150# x height of pour = pressure per tie. In USCS units (United States Customary System units), its weight comes to ~150lb/ft 3 and ~2,400 kg/m 3 if measured in Metric SI system. Its important to understand the real world difference between how much a solid concrete slab weighs per cubic foot and how much it weighs after its been demolished. I want to construct a circular slab of concrete measuring 5 ft high. For concrete, the formula for volume is as follows: length x width x thickness. Learn how to partner with us. . Please note, other standard unit conversions that might be helpful are: $$145\,lb/ft^3 = 2400\,kg/m^3 = 3915\,lb/yd^3$$. bags you will need to coat all sides of your wall with QUIKWALL Surface Bonding Cement. As concrete dries, water evaporates out leaving small tubes behind. In order to accurately estimate the material weight of drywall, you need to measure its thickness. 2022 Square Footage Area, All rights reserved. With this formula in mind, you'll be able to calculate just how much concrete or cement you'll need for your project: One 60-lb bag of concrete gives you .45 cubic feet of concrete when mixed with 2.5 quarts of water. Concrete reinforcement wire . APA - The Engineered Wood Association. To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. You can, however, calculate the load capacity of concrete in a quick and general way. And while mixed concrete can be complex (strong or not) modern or regular concrete is a mixed design using sand and other materials that can withstand pressure. In order to avoid overage fees, we recommend renting more than one dumpster to ensure the concrete can be safely hauled away according to the legal limit. Mark your area that needs concrete and divide it into smaller areas. Multiply the length x width of the slab to calculate its square footage. 20- 115 pounds per cubic foot. To determine whether you are going to need the ready mix or bags of the material you may need to calculate the volume required. (102-mm) Single Wythe Wall Weights Table 24-in. When it completely hydrates, a solid concrete material is obtained which long lasts for a couple of years. The dry concrete weighs around 300 pounds per cubic foot. What is the difference between concrete and cement? This is especially important when doing demolition work or transporting broken concrete. During the drying process, the mixture or solution starts to harden and each node expands and grows until it links up with the other adjacent node. Understanding how much concrete weighs per cubic foot will come in handy whenever you have to load and transport demolished concrete. Concrete slabs are poured either off or on the job site. Choose the Round Column (or Round Slab) on the concrete calculator. Since the weight of concrete per cubic foot is 150 lbs, the weight of 5 cubic feet of concrete will be 5150 = 750 lbs (pounds). 6 inches slab of concrete. From there, find the weight of the material and factor it into your weight calculation. How can I calculate the weight of a square foot of concrete? A typical slab can weigh 10% more per square foot when wet vs when dry. ft. x 150 x 6 height of pour equals 3600#. Standard density for asphalt is 145 lb/ft 3 (2322 kg/m 3 ). 4 12 = .33. How much does 4 inches of concrete weigh per square foot? 130- 150 pounds per cubic foot. This means less weight per cubic foot. Most areas place a legal limit for how much weight a truck can safely carry. At a thickness of 4 inches, a concrete slab weighs about 50 lbs per square foot of surface area. Third, calculate your total square feet of your concrete slab L X W = SF (20 x 20 = 400 sf) Fourth, multiply your total sf (400) by your calculated weight per sq. Concrete weighs 12.5 lbs per square foot @ 1 inch thick. Suspended Acoustical Ceiling System : 2.5 pounds per sq. Type in inches and feet of your project and calculate the estimated amount of Recycled Materials in cubic yards, cubic feet and Tons, that your need for your project. NJ Businesses. Adding any kind of finish and designwhether it be stenciling, staining or engravingcan bump up your final cost from $8 to $18 per square foot. 7000+ psi. How Many Concrete Blocks Come On A Pallet? In any case, the best way to calculate how much concrete you need is by using our concrete calculator. So if you had a 48 sq ft platform and you put 24lbs on that platform, you would take 24 divided by 48 to get the pounds per square foot which would equal 0.5 lbs per square foot. Copyright 2022 Gambrick Construction website by On Your Mark Design and Graphics. It has Spanish language descriptions, labels and diagrams and it also has default units in the metric system (SI). Weight can be given in pounds (lb), US short tons (t), imperial-long tons (long t) or kilograms. However, when you load broken concrete into a truck or dumpster there are lots of voids. The calculation process is: Estimate the volume of asphalt needed, using geometrical formulas and plans or measurements, including width, length, and depth (thickness). Weight can be given in pounds (lb), US short tons (t), imperial-long tons (long t) or kilograms. Plywood Roof Sheathing. Its then poured into forms where it dries, hardens and grows strong. In our final example, lets say we have 3 steps leading up to a platform (for a total of 4 steps), with the following measurements: The calculator first works out the volume under the platform: $$Volume\,under\,platform = Platform\,depth \times Rise Width \times Number\,of\,steps = 8 \times 7 \times 9 \times 4 = 2016\,yd^3$$. Too heavy for most full size pickups. A good rule of thumb is take your calculation and add 4% to 10% to the total to account for waste, spillage, over-excavation, settlement, spreading of forms, loss of entrained air or any other changes in volume. How much does 6 inches of concrete weigh per square foot? This dramatically reduces the probability of having insufficient concrete mix.
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