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Concrete slab calculator?
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Concrete slab calculator?
Concrete Slab Calculator. Concrete is often sold in bags. Find out how much concrete, mortar, or stucco you need for your project with QUIKRETE's online calculator. The average cost of a concrete slab (6 inches thick) is about $550 per square foot, including both materials and labor. Then, we convert the volume to cubic yards and multiply it by the average cost of concrete per cubic yard. You can calculate how much concrete, cement, sand, mortar or render you will need. Please use the calculator below to give you some estimate of the concrete amount. Take the hassle out of math and simplify your concrete planning with our free concrete slab calculator. Calculate the perimeter of the concrete slab using the formula: P = (W + L) * 2. Calculate the number of bags (or truck) and yards needed, cost and more. Calculate the concrete material needed to pour a slab, patio, footing, column, or post-fill-project in cubic yards or pre-mix bags, and estimate the cost of materials. Width (Feet) Length (Feet) Depth (Inches) Use Cemex's ready-mix concrete calculator to accurately calculate the volume of concrete needed for your mix or slab Use this concrete stairs calculator to find the volume of concrete you'll need for a concrete stairs project. This free concrete calculator will estimate the amount of yardage for your concrete slabs, floors, walls, footings, and cylinders. Our concrete calculator is an efficient way to work out how much concrete you need for your upcoming project. Calculate concrete volume and cost of concrete slabs, footers, walls, columns, steps, curbs and gutters in cubic feet, cubic yards and cubic meters. Concrete slab leak repair projects can be quite complex and challenging. This free concrete calculator estimates the amount of concrete necessary for a project and can account for different shapes and quantities. The average cost for a 12′ x 24′ concrete patio is about $2,800, or $10 per square foot. It can be left smooth or textured by lightly dragging a broom across the surface. Skip to Content Call For Free Quote: 650-365-4811. Concrete Calculator. However, with the right approach and knowledge, it is possible to successfully fix these issues Concrete slab leak repair can be a costly endeavor, but it is an essential one to ensure the structural integrity of your home. Call us on 0800 CONCRETE to order. Take the hassle out of math and simplify your concrete planning with our free concrete slab calculator. Calculate the number of bags (or truck) and yards needed, cost and more. The calculator will estimate the number of cubic yards of concrete that will be required. Calculate material for concrete steps or stairs by entering the width, rise, run, and number of stairs and estimate the cost of concrete. Use our concrete calculator to accurately estimate both the volume and weight of concrete that you will need to fill a specific area based on its shape and size. To calculate the volume of concrete: Volume = Length x Width x Height, Volume = 10 inches x 8 inches x 4 inches x 15 = 2 Therefore, you will need approximately 2. Calculate the concrete material needed to pour a slab, patio, footing, column, or post-fill-project in cubic yards or pre-mix bags, and estimate the cost of materials. This is a free online concrete calculator tool to find the concrete material calculator, or concrete floor calculator, or concrete slab material calculator. The Weight of Rebar in a Slab calculator computes the total weight Concrete Slab with one Rebar Grid mat of reinforcement bars (rebar) needed for a concrete slab based on the dimensions of the slab and the spacing and size of the rebar. Enter the dimensions, material and density of your slab, wall, column, staircase … Estimate the volume and weight of concrete for different shapes and sizes using this online tool. The amount of concrete that comes from a 60-lb. Enter dimensions in US units (inches or feet) or metric units (centimeters or meters) of your concrete structure to get the cubic yards value of the amount of concrete you will need to make this structure. units length (l) width (w) height (h) quantity. This concrete calculator will help you in estimating the amount of concrete needed for your project. Whether you're pouring a foundation, patio, or driveway, … Our concrete calculator is an efficient way to work out how much concrete you need for your upcoming project. How This Calculator Works. The amount of concrete that comes from a 60-lb. To use the Concrete Volume Calculator, simply choose a shape and then enter the width, length, and thickness of your pour. How Much Concrete Do I Need? Use our concrete calculator to determine how many bags of concrete are needed to get your simple slab of concrete built. With these tools, you can see how many slabs you need or how much aggregate you require, potentially saving you money on buying too much stock. This calculator calculates the amount of concrete using basic measurements such as the length, width and thickness of the concrete slab. Figure out the amount of concrete to use by calculating the volume of the desired concrete slab and the footings supporting the slab, then converting this area to cubic yards A concrete floating slab is a slab that is not anchored to the ground but instead merely sits on top of it. Jul 10, 2024 · Use this free concrete calculator to quickly find out how many bags, yards or cubic meters you need. Note: Every concrete pour is different, and sometimes laying the mix on. weight = 25 cu ft × 150 lb/cu ft Tip: Use our cubic feet calculator to find the volume in feet. The Sakrete For Slab Calculator is a valuable tool designed to assist users in estimating the amount of Sakrete required for their concrete slab projects. Do you know how to build a concrete home? Find out how to build a concrete home in this article from HowStuffWorks. It will help you calculate the number of bags of concrete required for your path, slab or post holes. For example, let's find the number of 5′ x 50′ rolls of mesh required to reinforce a slab that is 25′ by 25′. diameter: depth or height: quantity: Circular Slab. Multiply the width times the length times the height (W × L × H), or use our volume calculator to find the cubic feet. If you need to pour a concrete slab for a patio, deck stair landing, walkway or other building project, you need to know how much concrete the job requires. Our intuitive calculator simplifies concrete volume and rebar estimations, ensuring efficient and cost-effective construction. Please contact us for additional pricing. Concrete Slab Calculators. If your patio is looking the worse for wear, or if you just want a new look, you can stain concre. Calculate the concrete material needed to pour a slab, patio, footing, column, or post-fill-project in cubic yards or pre-mix bags, and estimate the cost of materials. Simply enter … Calculate the volume of concrete needed for your project in cubic yards with this free, user-friendly tool. Slabs, Square Footings, or Walls. 4 days ago · This concrete calculator allows you to estimate how much concrete you need for a specific area and how many bags of concrete are required for this space, accounting for concrete density, weight, and spillage. Use this calculator to estimate how many cubic yards or meters of concrete you need for slabs, floors, footings, and cylinders. Use this tool to estimate about how much concrete you will use for your concrete slab project. Limitations of the Calculator. The result of this formula provides the number of cubic yards of concrete needed According to QUIKRETE’s online calculator, the amount of concrete needed for a 10- by 10-foot slab depends on the thickness of the slab. Average foundation cost - chart. This free concrete calculator estimates the amount of concrete necessary for a project and can account for different shapes and quantities. It helps users to buy the right amount of materials and plan their work for construction projects, flooring and concrete paving jobs. Concrete Slab. Easily calculate weight, bags and total cost. Example … Do you want to calculate how much concrete you need for your project? Our free Concrete Calculator makes it easy to find out how many yards of concrete you need. A concrete slab load capacity calculator is a tool designed to estimate the structural integrity and performance of a concrete slab under specific load conditions. Calculate cement concrete mix design or estimate how much cement concrete volume is required for your construction using our free online calculator. This article explores the functionality, features, benefits. 59 cubic yards of concrete volume. The amount of concrete that comes from a 60-lb. Use the following formula: length (in feet) x width (in feet) x thickness (in feet). The most common concrete slab thickness is 4 inches for residential uses, but slabs can be as thick. Jul 10, 2024 · Use this free concrete calculator to quickly find out how many bags, yards or cubic meters you need. This free concrete calculator calculates the volume of concrete for objects of different shapes and dimensions needed for construction projects. (percentage) Amount of rebar needed in lineal feet. With such a wide range of purposes and support requirements, concrete slabs present many construction variables that must be considered before concrete placement begins You'll need to calculate the proper water-cement ratio and. We look forward to talking to you today. Use our free online Premix Concrete Calculator to calculate exactly how many premix concrete bags you should buy for your concrete project. A 10×12 Concrete Slab Calculator is a tool used to estimate the quantity of materials required to construct a concrete slab with dimensions of 10 feet by 12 feet. Make sure the tool you're using to calculate has options for more than simple concrete slabs or walls, where a basic length × width × height calculation is performed. Start saving time, money, and effort today! Uncover how much concrete you need for your next 4×4 slab project. Calculate the concrete material needed to pour a slab, patio, footing, column, or post-fill-project in cubic yards or pre-mix bags, and estimate the cost of materials. Rather than dividing by 27, you will need to divide by 46,660 to convert from inches to cubic yards. roblox pfp maker Get an instant, vendor-neutral estimate of Concrete Slab options and costs in your zip code. Jul 10, 2024 · Use this free concrete calculator to quickly find out how many bags, yards or cubic meters you need. Our calculator simplifies the calculations for those working on projects that require precise circular footings or columns. The calculator will estimate the number of cubic yards of concrete that will be required. The following functions apply to estimating the amount of concrete, rebar, form boards and water needed for concrete slabs of different shapes: rectangular with squared corners, circular including semi-circle, and polygon shapes from triangular up (e, pentagon for 5 sides and dodecagon for 12 sided polygon) Redicrete has a number of online concrete calculators available to help you to estimate the amount of concrete required to complete your job. Oct 7, 2023 · Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. Take the hassle out of math and simplify your concrete planning with our free concrete slab calculator. While it's going to cost between $4 to $8 per square foot to have new concrete installed. Oct 7, 2023 · Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. Total Cost = 3 x 300 + 5 x 200 + 3 x 370 = Rs Share On: m³ RM. Calculate material for concrete steps or stairs by entering the width, rise, run, and number of stairs and estimate the cost of concrete. Use metres as the unit of measure (e 7800 mm would be entered as 7 Now you've calculated the size of your patio, shop paving slabs or read our patio paving buying. 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. How To Use The Concrete Calculator. Jul 10, 2024 · Use this free concrete calculator to quickly find out how many bags, yards or cubic meters you need. Uncover how much concrete you need for your next 10×12 slab project. These simple-to-use calculators estimate how much concrete you'll need for concrete slabs, walls, square footings, round footings or columns and for post holes. High Quality Slab Formwork 100 sq ft / 7 days = 14 Marginal. Under slab plumbing repair is a considerable expense that many homeowners may face at some point. This free concrete calculator estimates the amount of concrete necessary for a project and can account for different shapes and quantities. Our concrete calculator is an efficient way to work out how much concrete you need for your upcoming project. leah l amour Calculator #3 is for: Tube or Circular Slab The impact of construction waste on the environment The Weight Of Concrete Slab Calculator is a tool designed to estimate the weight of a concrete slab by considering its length, width, thickness, and the density of the concrete material used. Concrete in Rectangle Slab bags of concrete Weight of Slab with Rebar. Easily calculate the cost and volume of concrete slabs with user-friendly app. Instantly, the calculator tells you that you require 0. Once, the quantities are determined, it is easy to estimate the cost of a. Enter the total volume of mortar required for your project in cubic meters. Concrete is often sold in bags. Concrete slab leak repair projects can be quite complex and challenging. Total Cost = Volume (cubic yards) × Price per Cubic Yard. Use this concrete calculator to find out how much concrete you need for your projects in volume, weight or number of bags. Concrete Cost Calculator estimates the cost of concrete per square foot. Enter the width, length, and thickness of your pour, click on whether you are measuring the thickness in feet or inches, then click on the Calculate button. This calculator assumes normal weight concrete and uses FPS/US Customary Units. Direct Volume: Enter the volume directly in cubic meters. Factor in the type and shape of stone to complete your project successfully. This calculator assumes normal weight concrete and uses FPS/US Customary Units. It is designed to provide you with the approximate exact amount of concrete you need for your slab, footings, stairs, or wall. craigslist nj north Find concrete cutting prices for a concrete slab, driveway, patio, sidewalk or stairs. Easily calculate weight, bags and total cost. The result of this formula provides the number of cubic yards of concrete needed Watch this step-by-step slideshow to see how to resurface a concrete slab for your home, such as a driveway or patio. The following hypothesis apply when using this tool: Shear reinforcement in slab, wall or footing not included. 4 days ago · This concrete calculator allows you to estimate how much concrete you need for a specific area and how many bags of concrete are required for this space, accounting for concrete density, weight, and spillage. Our concrete calculator for slabs is a good way to estimate how much concrete mix you’ll need to purchase. Keep in mind that factors such as the type of concrete mix, reinforcement materials, and environmental conditions can influence the actual weight of the slab. Oct 7, 2023 · Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. In the article below, you will find out what rebar is, check the rebar sizes, and find the step-by-step tutorial on how to use the rebar calculator. Drive landscaping stakes into the ground to mark the outside corners of the frame. font, and certain parts of the code to best fit your website. The formulas calculate materials needed for rectangular, circular and irregular shaped slabs is short for. Jul 10, 2024 · Use this free concrete calculator to quickly find out how many bags, yards or cubic meters you need. 75*h [mm] ks = 1+(200/d*)^0 Must be less than or equal to 2. 0 Enter the width. This concrete calculator allows you to estimate how much concrete you need for a specific area and how many bags of concrete are required for this space, accounting for concrete density, weight, and spillage.
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Online Concrete Classes: https://decorativeconcreteschool. From there, you'll be able to plug in your specific project measurements to find out just how much concrete you'll need to get the job done. However, it's crucial to measure the length, width, and depth of your project accurately to ensure the most precise results. Tip #4: Ask to See the Contractor's Portfolio. Tip #4: Ask to See the Contractor's Portfolio. This concrete slab calculator is useful tool that helps homeowners like you to determine the amount of cement, sand, and aggregate needed for a concrete slab. With these tools, you can see how many slabs you need or how much aggregate you require, potentially saving you money on buying too much stock. interactive scaled diagrams - Inch The Concrete Weight Calculator provides a valuable tool for estimating the weight of concrete in construction projects. Odisha Cement News: This is the News-site for the company Odisha Cement on Markets Insider Indices Commodities Currencies Stocks Glass ionomer cement is a kind of cement used in restorative dentistry. Just follow these instructions to learn how to fill potholes. Try our CONCRETE MATERIALS CALCULATOR for a quick & accurate material estimation for your construction project. Our Concrete Calculator has been created to help you plan your construction projects. Enter the step width (m), riser height (mm), step depth (mm) and. comenity web payment This Concrete Weight Calculator will help you to learn what is concrete weight, what types of concrete are there and how to use calculator. By inputting the dimensions (length, width, and thickness) of the slab, the calculator provides the volume of concrete required, often in cubic yards or cubic meters. Learn what glass ionomer cement is in this article. The result of this formula provides the number of cubic yards of concrete needed According to QUIKRETE’s online calculator, the amount of concrete needed for a 10- by 10-foot slab depends on the thickness of the slab. The Concrete Slab Load Capacity Calculator is a valuable tool designed to help engineers, architects, and construction professionals determine the load-bearing capacity of concrete slabs. Concrete is strong and durable, but it does Expert Advice On Improving You. 67 / 27); For size = 12 inch: For example, let's calculate the amount of cement, sand, and gravel for the M5 mix to fill one cubic yard of space. Pouring a concrete slab averages around $5,400, and most slabs cost between $3,600 and $7,200, depending on square footage, thickness, and some other factors. A minimum thickness for a non-load bearing slab would be 75mm. If you want to estimate how much concrete you need for a slab project, check out our concrete slab calculator Cost of each bag of pre-mix concrete. Analysts have been eager to weigh. Use our concrete calculator to accurately estimate both the volume and weight of concrete that you will need to fill a specific area based on its shape and size. Start by calculating the dry volume of the mix0 × 154 cu yds. Use Pinoy Builders Volume Calculator to compute how much cement you need for your residential project. Enter dimensions in US units (inches or feet) or metric units (centimeters or meters) of your concrete structure to get the cubic yards value of the amount of concrete you will need to make this structure. mycasino Uncover how much concrete you need for your next 12×12 slab project. Calculate the concrete material needed to pour a slab, patio, footing, column, or post-fill-project in cubic yards or pre-mix bags, and estimate the cost of materials. Calculate the perimeter of the concrete slab using the formula: P = (W + L) * 2. Simply enter your zip code and the square footage, next click update and you will see a breakdown on what it should cost to have Concrete Slabs installed at your home. 4 days ago · This concrete calculator allows you to estimate how much concrete you need for a specific area and how many bags of concrete are required for this space, accounting for concrete density, weight, and spillage. With just 3 straightforward steps, you can quickly determine the exact amount of concrete required for your project. Let, The cost of aggregate be Rs. If you need to pour a concrete slab for a patio, deck stair landing, walkway or other building project, you need to know how much concrete the job requires. Our concrete calculator is an efficient way to work out how much concrete you need for your upcoming project. When working with cement-based products, always wear eye protection and waterproof gloves Prior to placing concrete forms: Construct the form with 2x4 or 2x6 lumber and secure in place by wood stakes and deck screws. The Quikrete concrete calculator can help builder. Drive landscaping stakes into the ground to mark the outside corners of the frame. This tool will help you calculate the coverage in square metres (m²) of your patio. Check it against the factored shear load on the slab, 0 If the shear strength is insufficient increase slab thickness until 0 5. bingo cash fake If you're looking for a rough estimate of material costs, check out our concrete block material calculator, concrete and slab material calculator, or our post hole concrete calculator. Enter dimensions in US units (inches or feet) or metric units (centimeters or meters) of your concrete structure to get the cubic yards value of the amount of concrete you will need to make this structure. These concrete weight calculators estimate the tonnage of concrete needed to complete your next concrete structure. Under slab plumbing repair is a considerable expense that many homeowners may face at some point. 4 days ago · This concrete calculator allows you to estimate how much concrete you need for a specific area and how many bags of concrete are required for this space, accounting for concrete density, weight, and spillage. Obviously this is a quick ready reckoner guide only as individual costs change depending on your topography, sub base and your demographic. Floating concrete slabs provide solid foundations for structures as shed. Our concrete calculator is an efficient way to work out how much concrete you need for your upcoming project. For typical residential applications, a mix ratio of 1:2:4 (1 part cement, 2 parts sand, 4 parts gravel) is common. Before choosing the type of foundation, be sure to consult with experts whether this type. Enter the Volume or Dimensions:. Find out how much concrete, mortar, or stucco you need for your project with QUIKRETE's online calculator. Estimate How Much Concrete You Need. Concrete Calculator. The free online Rebar calculator precisely finds how many Rebars are needed for a concrete slab and how much they will cost your project. Enter the total volume of mortar required for your project in cubic meters. Convert the thickness to feet. Conversion in other common units: Volume in Cubic Yards (yd3) = Volume in Cubic Feet (ft3) / 27.
Ready - mix concrete costs $98-99 per cubic yard. First, find the area of the slab area = 625 sq ft. units length (l) width (w) height (h) quantity. 4 days ago · This concrete calculator allows you to estimate how much concrete you need for a specific area and how many bags of concrete are required for this space, accounting for concrete density, weight, and spillage. Concrete is ordered by volume in cubic yards. The calculator returns the weight of the slab in pounds. Then, we convert the volume to cubic yards and multiply it by the average cost of concrete per cubic yard. everbilt shallow well jet pump troubleshooting This is the formula: mesh needed = slab area ÷ mesh area. Give it a try and then be sure to try out our other calculators as well! For size = 6 inch: Cubic Yards to be filled = (L * W * 0. Enter the dimensions of your slab, footing, column, or tube and get the results in cubic meters or cubic feet. Convert the thickness to feet. Concrete Slab Calculator. Effective depth of slab cross section d* = 0. how many syllables in english Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased. Jul 10, 2024 · Use this free concrete calculator to quickly find out how many bags, yards or cubic meters you need. Concrete for laying slabs. The most common concrete slab thickness is 4 inches for residential uses, but slabs can be as thick. When working with cement-based products, always wear eye protection and waterproof gloves Prior to placing concrete forms: Construct the form with 2x4 or 2x6 lumber and secure in place by wood stakes and deck screws. Analysts have been eager to weigh. Excavate the slab area to a depth of about 7 inches, allowing 3 inches for a gravel base and 4 inches for concrete Our team have created 3 concrete calculators, so you can get the exact amount you need for your project. If you're still looking for ideas it's a great idea to discuss what's possible with a concrete installer. hanes lineberry funeral home Use our calculator to determine the amount of concrete needed for a project by entering the size of the slab in square feet. The net result is a more accurate and less conservative estimate. If you need to construct multiple concrete slabs/columns, etc. Concrete is ordered by volume in cubic yards. Take the hassle out of math and simplify your concrete planning with our free concrete slab calculator. Input the size of the area you need paved, choose the size of the paving slabs you want. Take the hassle out of math and simplify your concrete planning with our free concrete slab calculator.
It calculates the total … 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. Once, the quantities are determined, it is easy to estimate the cost of a. Conversion calculators make it easy to convert inches, yards, or meters to feet. Watch this video to find out more to repair defects in a concrete slab. This concrete slab calculator is useful tool that helps homeowners like you to determine the amount of cement, sand, and aggregate needed for a concrete slab. For example, let's find the weight of 3. Simply enter … Calculate the volume of concrete needed for your project in cubic yards with this free, user-friendly tool. It involves repairing or replacing the plumbing pipes located beneath the concrete. Use our concrete calculator to accurately estimate both the volume and weight of concrete that you will need to fill a specific area based on its shape and size. Input length, width and depth of the area. 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. Tip #4: Ask to See the Contractor's Portfolio. 38 cubic feet per post hole. Calculate the hole volume using 3 times the width of the post or 1088 feet: 088′ × 2′ depth = 1 Subtract the post volume from the hole volume: 117 = 1. Use our Cost Calculator for cost estimate examples customized to the location, size and options of your project. This free concrete calculator calculates the volume of concrete for objects of different shapes and dimensions needed for construction projects. For these calculations. Octagon Shaped Slab Concrete Calculator. 74454 short code lookup Calculates cubic yards of concrete required - does not deduct material for the perimeter notch. In a regular Octagon, there are eight straight, equal-length sides and eight inside corners that total 135°. Our Concrete Slab Calculator is designed to provide accurate results based on the input dimensions. Keep in mind that factors such as the type of concrete mix, reinforcement materials, and environmental conditions can influence the actual weight of the slab. The Concrete Calculator™ is a simple and powerful tool which allows to analyze and design reinforced concrete beams, slabs and columns cross sections as well as reinforced concrete footings. Oct 7, 2023 · Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. Our online tools will provide quick answers to your calculation and conversion needs. Run Calculation: Click the "Calculate. Enter the dimensions, material and density of your slab, wall, column, staircase or other structure and get the results. Here's how you can use it: Step 1: Determine the dimensions: Measure the length and width of the concrete slab in feet. Try it simply! Rebar calculator helps to find out how many rebars you need to create reinforcement in a concrete slab and how much it will cost you. Concrete from m3 to kg and tons — online weight calculator (mass) Online calculation of the parameters of a slab concrete foundation: volume in m3, area in m2. A Concrete Round Slab Calculator is a specialized tool or software that helps users determine the volume of concrete, cost, and other essential details required for constructing a round concrete slab. capcut habibi template Drive landscaping stakes into the ground to mark the outside corners of the frame. Calculates cubic yards of concrete required - does not deduct material for the perimeter notch. Next, input the depth of the excavation as 15 cm. Multiply the width times the length times the height (W × L × H), or use our volume calculator to find the cubic feet. For smaller footings, you may want to make your calculations in inches. Note: using measurements where the combined length of two sides is smaller or equal to the length of the third side will result in an error! Scalene Triangle Volume Calculator - Imperial. The Concrete Slab Calculator is a valuable tool that simplifies the process of estimating the amount of concrete required for a specific project. We also explain a slab design example in this excel sheet. The Concrete Slab Load Capacity Calculator is a valuable tool designed to help engineers, architects, and construction professionals determine the load-bearing capacity of concrete slabs. This free concrete calculator estimates the amount of concrete necessary for a project and can account for different shapes and quantities. Density of Steel Rod = 7850 Kg/m 328084 feet. Concrete Calculator. Select the mix ratio (cement: ballast) from the dropdown menu. When it comes to maintaining the structural integrity of a building, addressing concrete slab leaks is crucial. Calculate concrete volume and cost of concrete slabs, footers, walls, columns, steps, curbs and gutters in cubic feet, cubic yards and cubic meters. To calculate concrete for slabs, add ¼ of an inch to the slab thickness, assuming that the job is evenly graded to the proper depth. Formula: To calculate the estimated cost of a concrete slab, we first determine the volume in cubic feet by multiplying the length, width, and depth of the slab. By obtaining precise measurements for cement and ballast, you can confidently move forward with your project, knowing that you have the right resources at hand. Calculate the number of bags (or truck) and yards needed, cost and more.