6 cubic feet, but, unfortunately, concrete is usually measured in cubic yards. 45 cubic feet of cured concrete. Online calculator to convert cubic meters to cubic feet (m 3 to ft 3) with formulas, examples, and tables. To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Instead of using a concrete calculator to figure your cubic yardage, you can do the math yourself with this formula: pi X r^2 X h - This will give you the volume in cubic inches which we'll convert to cubic feet then to cubic yards. To determine how many Yards you need All bulk material from Joe's Landscaping Supplies (except for 1-Man Rock) is sold by the Cubic Yard. 1 cubic yards. Work out the packaging size requirements for multiple objects. Completing the example, if the ramp is 1. Enter the width and length of your slab in metres. sacks of Portland Cement per cubic yard (3000psi). 39 Cubic Centimetres to Cubic Inches 0. How to Calculate Quantities of Cement, Sand and Aggregate for Nominal Concrete Mix (1:2:4)? Mix design is a process of determining the right quality materials and their relative proportions to prepare concrete of desired properties like workability, strength, setting time and durability. There are many variables to consider, such as surface prep, formwork, reinforcing materials, and finish work, plus the cost of the ready-mix concrete, that will add up to the total price of the job. How to Calculate Asphalt Prices. Explore many other math calculators like the area and surface area calculators, as well as hundreds of other calculators related to finance, health, fitness, and more. You will need extra concrete to allow for spillage, waste or any unforeseen events. 03 Gallons to Litres 4. if you measure 1052 cm then enter 10. …1:4:8 calculate cement sand aggregate in cubic feet. In this post, we are going to explain "How to Calculate Concrete Volume and its ingredients?" How to Calculate Concrete Volume? If it is a volume, then we know there must be 3 dimensions, Length, Height, Width or Breadth. Measure the length (L). On the bag it will tell you how many cubic feet the bag will fill. Select dimensions of lumber. NOTE: This Calculator should be used as an estimating tool ONLY. “Volume Concrete Delivers 1+. Small loads incur extra surcharges so it is always best to get your quantities right to avoid extra expense and delays in service. This concrete calculator gives you the built-in formulas you'll need to help you calculate how many bags of concrete you will need for deck footings, supports, walls, pads and/or patios. The mix should not be too stiff or too sloppy. Take a few simple measurements, select your units, and our calculator will return the number of cubic yards you will need to finish your job. Likewise, a cubic yard (yard = 3 feet) is a cube 3 feet by 3 feet by 3 feet or 27 cubic feet. If the concrete is going to see light use and won't need to withstand heavy objects such as cars or machinery, a 3-inch slab might do the trick. Concrete volume for 2nd flight of the staircase. Enter value, select unit and click on calculate. The radius and height should be in yards, if you have other measurements convert to yards. 012 m 3 Mortar Dry volume = 0. Volume is easy to calculate since it is simply Area × Thickness. The weight of concrete is determined by its density, which can vary based on the amount of aggregate, water, and air in the mix. Pond Volume Calculator How to calculate the volume of your pond in gallons The basic formula for calculating the volume in gallons of a pond or pool is to use the formula L x W X D x 7. What is lean concrete & where it is used. Define CFT at AcronymFinder. (All yields are approximate and do not include allowance for uneven subgrade, waste, etc. Part of the series: Solving Math Problems. Press calculate and you have the answer! Learning how to calculate the amount of concrete needed is easy when using our concrete formula and online concrete calculator. Bricks, blocks and mortar (sand & cement) calculator. Beams are generally in rectangular shape, to calculate the volume of concrete required for beams calculate the top or bottom surface area of beam and multiply with the depth of beams. Cargo is commonly calculated using a combination of volume (total space in cubic feet or meters) and payload (total weight). How To Calculate Volume Of Concrete For Staircase: Staircase is one of the essential parts of a building. Calculating Area and Volume of Ponds and Tanks Good fish farm managers must know the area and volume of all ponds and tanks. CONCRETE CALCULATOR - How Much Do I Need? You can use this concrete calculator to help you determine the number of bags of QUIKRETE® Concrete Mix, Mortar Mix, or Fast-Setting Concrete you will need for the following projects. This is your source for free dirt / fill, free backfill & to get the excellent resource for sell topsoil & we shows you what clean fill or free dirt is available in your area. This calculator makes working the cost of a concrete slab easy - once you know how much concrete you need (in bags) and how many slabs you'll produce out of it, simply provide the price of the bag and you'll receive the concrete slab cost, a cost to pave your desired area, cost per unit of volume and the total cost of the material you need. To calculate yield the following formula should be used: Y = s___ , in which n Y = yield of concrete produced per 94-pound bag of cement, in cubic feet; S = volume of concrete produced per batch in cubic f e e t ; N = number of bags of cement in the batch. Work out bulk volume needs for building concrete requirements. Planning for concrete removal? Enter your project details into the calculator to learn the weight of your concrete. Knowing the volume of your wheelbarrow can help you figure out how many trips you need to make when hauling a full load. Calculation of volume of concrete required for footings:-. A cubic yard is the volume of material which fits in a space one yard wide by one yard deep by one yard high. This calculator will estimate the required concrete to fill the quantity, height and diameter of concrete columns. It can also be used for calculating volume of a rectangular box (cuboid) in cu ft. Choose your volume units (e. If you can determine the area of your concrete project (length x width for rectangular projects) and know the thickness of the slab, you can use the information in the Concrete Volume Calculator below to determine how much concrete you need. ) by the width (10 ft. This is useful for determine cubic yardage for concrete projects, filling sonotubes, posts, or footings, building and construction projects, or landscaping projects. Source: Flickr. The coarse aggregate % of total aggregate volume will automatically be calculated based on the fine aggregate % entered in the previous step. 25 cubic yards. After all, you don't want to buy more bags of ready-mix concrete than necessary. Calculate how many concrete blocks are needed to build | Free Solid Block Calculator. Concrete Slabs Calculator Input length, width and depth of the area. You can calculate the amount of concrete you need by employing a mathematical formula. Therefore, Cement Quantity = (Cement Part / Concrete Parts ) * Concrete Volume. 5 lbs Brick, Whole =1 cubic yard 3,024 lbs Cardboard, Paper =1 cubic yard 100 lbs Ceramic Tile, loose 6” x 6” 1 cubic yard = 1,214 lbs Concrete, Scrap, Loose 1 cubic yard = 1,855 lbs. Our conversions provide a quick and easy way to convert between Volume units. Step 2: Enter the length, width and depth of area to fill (NOTE: depth is in inches, not feet): Step 3: Click Calculate to get amount needed. Cubic feet is a unit of volume. This page looks at how it is prepared and how it is used in the paving and drainage trades. For one cubic yard of air-entrained concrete, the volume of the air can be determined by simply multiplying the air content by 27. Volume measurements are needed for three different categories of pay items: • Earthwork --items such as borrow excavation, and subsoil excavation • Concrete -- the various classes of concrete used in bridges and other structures; and • Truck Measurements -- material delivered by trucks and measured by. Mix the dry ingredients and slowly add water until the concrete is workable. If air is entrapped, the volume will be greater. For Slab, If we need to calculate the concrete volume,. Concrete mixer trucks can be in transit for about Concrete mixer trucks can be in transit for about. Calculating the volume of concrete to order sometimes requires breaking down the surface area into geometric shapes. Round off to next even higher figures. For example, a storage unit 10 ft long, 6 ft wide and 8 ft high could be described as having a capacity of 480 cubic feet (10 x 6 x 8 = 480). , and thickness in inches. Please note that this is based on a 1:2:4 ratio mix. Using the Cylinder Cubic Yardage Calculator This calculator is perfect for finding the cubic volume of a cylinder, given the radius or the diameter and the height. Truck is 0. Enter length in feet, width in feet. What is detailed cost estimate? A detailed cost estimate is a step by step calculation of the material and labor required to complete a construction project. 0 = 135: cubic yards to cubic feet 6. CBM Calculator. Can be used to calculate shipping dimensions in cubic meters or cubic feet. The internal capacity of the container is measured in cubic feet. Calculator Enter Length Volume Calculator;. If you are planning on buying bags of premix concrete then check out our Premix Concrete Calculator (how many bags to buy). Here we calculate the quantity of cement sand and aggregate in concrete slab detailed calculation given below It is very easy to calculate how much is required for the construction of the slab. A concrete mixer truck has a drum volume of up to 390 cubic feet. 47 Cubic Inches to Cubic Centimetres 16. Calculate Volume Learn how to calculate the Volume for a Concrete Slab or the amount of Soil in cubic feet or cubic yards. The design strength of concrete-filled tubes (CFT) is being calculated based on two approaches including the AISC and ACI methods. Firstly we calculate the volume And this volume is converted into wet condition to dry condition. Call us toll free from Canada and the United States - we ship by UPS!. If you want to calculate the volume of concrete required for a rectangular slab, use the rectangular slab calculator. The quantity of cement, sand and aggregates for various proportions of concrete such as M10 (1:3:6), M15 (1:2:4. Completing the example, if the ramp is 1. 5 times 20 times 31. Ready-Mixed Concrete Calculator. Volume Calculator. Then enter the thickness of your slab in millimetres. Estimate required concrete volume per sq. Although these masonry components are complicated to design, calculating their volume can be easy enough for almost anyone with basic tools. 5(1)=06 Cum=21. The result is 54, the volume of your boat in cubic feet. Density often has units of grams per cubic centimeter (g/cm 3). Calculate the volume you need in cubic yards. Work out the quantity of products that can fit into a truck, train carriage or shipping container. It is only a guide and does round up so, for example, if you need 1. Else you'll run into paradoxes such as those involved in the false proofs for saying all polygons have zero surface area. Sonotube Quantity; Your calculations will appear at the top of the new page that loads after you click “calculate”. Take a measurement of the width, length and thickness of the slab so you have a volume measurement. Foundation walls will be thicker and therefore, require more concrete to stay strong against a whole house atop them. In actual use, concrete is normally mixed with reinforcing materials, such as sand, fiber, etc. You can use the online calculator to determine how many cubic yards of material are required. ) by the width (10 ft. More Calculators. How to Calculate Quantities of Cement, Sand and Aggregate for Nominal Concrete Mix (1:2:4)? Mix design is a process of determining the right quality materials and their relative proportions to prepare concrete of desired properties like workability, strength, setting time and durability. Aim To determine volume of concrete per batch, where nominal maximum size of aggregate does not exceed 38 mm. Calculating the volume of concrete to order sometimes requires breaking down the surface area into geometric shapes. Tips for Ordering Concrete. The steps required for calculating cubic yards for concrete are as follows: Mark the space that is to be filled by concrete and divide it into smaller shapes if the area is too big. In order to assist you in estimating your concrete needs, we've created the Concrete Calculator. It’s crucial to accurately estimate how much concrete you’ll need for a poured slab. To use the Concrete Volume Calculator, simply 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. Measure the depth of the boat from the bottom of the boat to the top of its side. There are many variables to consider, such as surface prep, formwork, reinforcing materials, and finish work, plus the cost of the ready-mix concrete, that will add up to the total price of the job. 2 m3 (This is wet volume that means we need this much volume of cement mortar after mixing water, So for dry volume, we have to add 30-35% as bulkage of sand, we are using 35% and wastage as 20%). Learn how to calculate how much concrete is needed for projects around the home and how many bags of concrete mix to buy. There are 27 cubic feet in a cubic yard. The volume of a pipe is calculated the same way as the volume of a cylinder or tank (v = area of base x height), where height is replaced by length of the pipe. Calculate the amount of concrete needed in cubic feet and cubic yards for a slab in the shape of a circle. (The numbers 415 and. This page carries a list of links to them all. The packaging volume is simply the difference between the volume of the shipping container the volume of the object you are shipping. com, you can also shop for superior quality cement bags at best market price. The Volume is the Width times the Length time the Height (or thickness) (W x L x H = Volume) Examples of How to Calculate Different types of Volumes:. Calculate the volume of a rectangular box or tank using our free volume of a box calculator. Tank volume calculator online that works in many different metrics: mm, cm, meters, km, inches, feet, yards, miles. , and thickness in inches. Calculate for quantity of items to fill for a total project need of cement in cubic feet and cubic yards. 60 cubic feet) or 2,130kg/cubic meters to obtain the weight in the result. In addition, it depends upon the duration of mixing, supply of materials to the mixer and the speed at which charging and discharging operations are carried out. 00512m3 If you have 9 holes of 300 diameter and 650 depth, then the volume of concrete required is: 9 x height x pi x radius squared = 9 x 0. Volume of waist = L x T x B = 21. Excel Sheel For Concrete Quantity Calculation. 58431 lb/ft³) [ weight to volume | volume to weight | price | density] About this Weight of Concrete, Asphalt calculator For instance, calculate how many ounces, pounds, milligrams, grams, kilograms or tonnes of a selected substance in a liter, gallon, fluid ounce, cubic centimeter or in a cubic inch. To use the calculator, simply enter your data in the blanks provided. ** This estimate is based on a density of 150 lbs per cubic foot. Assume a 10-by-10-foot square area. Repayment Calculator and Loan Application form is a flexible WordPress plugin that can be used for a number of businesses. Free concrete and cement calculator formulas for yards, pounds, bags, rectangles, squares, circles, columns and sonotubes. To be able to calculate the concrete volume needed for this type of slab your need to know the diameter of the circle and the depth of this slab. tubes of QUIKRETE ® Polyurethane Concrete Crack Sealant or 10. An index to the text of “Title 3—The President” is carried within that volume. Aggregate Calculator Simply enter the values (numbers only) and press the CALCULATE button. With a simple mathematical formula, it is possible to find the cubic feet of a triangle. Steel is the biggest problem when there are calculations in question. Another way to measure it is. Concrete columns calculators for circular & square pillars and beams. Then add 10 percent to allow for spillage and slab depth variations. The Density of Fill Sand: 2,410 lb/yd³ or 1. You will need a calculator, pencil, and paper to do this. Calculate the amount of concrete needed in cubic feet and cubic yards for a slab in the shape of a circle. 8 kg Cylindrical mould - Dia = 250 mm, Height = 280 mm, Capacity = 0. Rectangle Asphalt Material Area Calculator. Calculate the weight of concrete in pounds per cubic Yards or the weight of concrete in pounds per cubic foot. This calculator is intended for approximate guidance. There are 27 cubic feet in a cubic yard, so, to convert to cubic yards, we can divide by our cubic feet value by 27. This free volume calculator can compute the volumes of common shapes, including that of a sphere, cone, cube, cylinder, capsule, cap, conical frustum, ellipsoid, and square pyramid. It allows users to select a loan amount, term, and calculate their monthly payments. Estimate required concrete footing volume Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! - the most efficient way to navigate the Engineering ToolBox!. 5 square yards by 1. Example: A 50 ft. Estimating the required amount of any building material is a difficult task, and errors may result in either the material running out when the project is in full swing, or in heaps. 1 cubic yards. Easily convert cubic feet to cubic meter, convert ft 3 to m 3. 54 (You can also take it as 1. Concrete Mix consists of a uniformly blended, properly proportioned mixture of gravel, sand and Portland cement. CONCRETE CALCULATOR - How Much Do I Need? You can use this concrete calculator to help you determine the number of bags of QUIKRETE® Concrete Mix, Mortar Mix, or Fast-Setting Concrete you will need for the following projects. Calculate the volume of the desired slab. There are many variables to consider, such as surface prep, formwork, reinforcing materials, and finish work, plus the cost of the ready-mix concrete, that will add up to the total price of the job. How To Calculate Store Bought Concrete Coverage By Bag Nov 29, 2011 · You now have the "cubic feet" of concrete required. How To Calculate Volume Of Concrete For Staircase: Staircase is one of the essential parts of a building. Calculate the volume of concrete needed, in cubic feet, rounding up to the nearest cubic foot. 00512m3 If you have 9 holes of 300 diameter and 650 depth, then the volume of concrete required is: 9 x height x pi x radius squared = 9 x 0. A cubic yard is the volume of material which fits in a space one yard wide by one yard deep by one yard high. Convert 6062 cubic feet to cubic decimeters. 5 gallons/cubic foot. 1416, r is the radius (half the diameter) and h is the length (or height). 1 cubic yards. The steps required for calculating cubic yards for concrete are as follows: Mark the space that is to be filled by concrete and divide it into smaller shapes if the area is too big. It is best to use numbers in meters so for example the a foundation 2100mm x 700mm x500mm would be calculated as, 2. Cubic Feet adds one other dimension to square feet. Note: "Height" is in inches or feet. Re l a t i v e yield, which is the ratio of actual volume of. Rate this article. Volume Calculator We’ve provided a simple tool to help you calculate the volume of material you’ll need for your next construction project. Cubic Feet Calculator allows you to calculate volume of packages in cubic feet with dimensions in cm, mm, meter, inch, feet and yard (metric and imperial units) for multiple products (mixed cargo). 5 yards wide to get 2. Example: One and half bag, Enter 1. If you are not sure of how to calculate the volume of different shapes, you can use the Common Shape Calculator which will provide you with the appropriate equations. Multiple the length times the width, and multiply this product by the height measurement to find the total volume, or cubic feet, you need to fill with concrete. How to calculate concrete for cylinders and sono-tubes. 33 (16-inch footings) x. 54/a+b+c) × b = (1. Completing the example, if the ramp is 1. Following are the formulas to calculate how much concrete you will require for a circular slab:. Note: For a better view, please read this post in landscape view if you are on the mobile device. The volume of the grout is the sum of the volume of cement and water or 1. Re l a t i v e yield, which is the ratio of actual volume of. Using a Margin of Safety: Problems Caused by Underestimating the Amount of Concrete. If you have concrete delivered it is sold by the yard (which is a cubic yard = 27 cubic feet). This is a simple tool to calculate the cube meter(m³) from inches, feet, yards, mm, cm or meter. Fortunately, it's easy to measure your slab and convert those numbers into cubic feet or yards for an accurate estimate of your needs. If air is entrapped, the volume will be greater. Call us toll free from Canada and the United States - we ship by UPS!. Cargo is commonly calculated using a combination of volume (total space in cubic feet or meters) and payload (total weight). To maximize the amount of cargo that can be shipped inside a container or to avoid a shortage of space, it is important to correctly calculate the freight to be loaded. 1 cubic yards. 0 = 243 10 = 270. Then apply your figure to the table below which will determine the estimated amount (cubic yards) of concrete required. If I have a 2. Using This Cement Calculator. Please note that these calculators should be used for estimates only, and you should always factor in an additional 5% – 10% of material for waste and spillage. “Volume Concrete Delivers 1+. 6 cubic feet of cured concrete. Cubic feet is a unit of volume. Part of being able to determine a budget for a new pole building is the cost of the premix concrete needed to backfill the holes with. The concrete block calculator estimates how many bags of concrete is necessary to cover the given area. Click link to use calculator Piling, Basements, Drilling Melbourne. A cubic foot is the space occupied by a cube with 1 foot width, length and height. Following are the formulas to calculate how much concrete you will require for a circular slab:. Yardage of concrete. Questions? Call toll-free (866) 404-1000. 5 feet, high and the boat is 9 feet long and 4 feet wide, multiply 1. So, in order to estimate the concrete or gout fill in the concrete blocks, you will need to multiply the number of concrete blocks that you will be using and that you have. Concrete Calculator. 02 Litres to Cubic Inches 61. How to use this calculator. Use the appropriate formula to calculate the surface area in square feet and multiply the results by the thickness in feet before dividing by the conversion factor and multiplying to account for errors. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 80 definitions of CFT. Measure the sides of. Explore many other math calculators like the area and surface area calculators, as well as hundreds of other calculators related to finance, health, fitness, and more. (Enter dimensions as per your measurement; Result will be in ft3). Use this post hole volume calculator to accurately figure the amount of concrete required for any sized post hole with or without any common sized post. Area 4; Select the number of rows to determine the size of the underground pond. On-Site Concrete calculator. Questions? Call toll-free (866) 404-1000. Quantity – Measurements can frequently be a little off, so we highly recommend ordering a little extra, because coming up short can be a disaster. Planning for concrete removal? Enter your project details into the calculator to learn the weight of your concrete. Ready mixed concrete is sold by volume measured in cubic yards. To be able to calculate the concrete volume needed for this type of slab your need to know the diameter of the circle and the depth of this slab. It helps user to calculate cubic meters (CBM) when shipping goods. The concrete blocks also known as cement brick or hollow cement brick or cement stock brick. sacks of Portland Cement per cubic yard (3000psi). The calculator then determines the length of the rows. bulk bags of gravel, it would recommend 2. Most concrete trucks carry between 7-9 Cubic Yards. When purchasing, we suggest that you buy a little more than the calculated result. 47 cubic yards. How do you calculate steel quantity in RCC 100 cft? Unanswered Questions. Estimate the cost of asphalt by calculating the volume of asphalt required and the cost of the asphalt material at the time of construction. To use the Concrete Volume Calculator, simply 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. Example calculation Estimate the quantity of cement, sand and stone aggregate required for 1 cubic meter of 1:2:4 concrete mix. Get fair costs for your SPECIFIC project requirements. In order to estimate the quantity of loose materials to have 100 cubic feet wet concrete we first multiply the wet concrete by 1. Tank volume calculator online that works in many different metrics: mm, cm, meters, km, inches, feet, yards, miles. This free volume calculator can compute the volumes of common shapes, including that of a sphere, cone, cube, cylinder, capsule, cap, conical frustum, ellipsoid, and square pyramid. 01 of a metre) then enter them into the calculator in metres (e. Am I mis-remembering? I’m attaching a file of this object–a precast concrete footing, which I need to calculate the weight of. Re: Wood Measurement / Foot to Cubic Meter The forumula for volume is: Volume = Length * Width * Height They just all need to be in the same base unit, as yours already are. This is useful for determine cubic yardage for concrete projects, filling sonotubes, posts, or footings, building and construction projects, or landscaping projects. Knowing the volume of your wheelbarrow can help you figure out how many trips you need to make when hauling a full load. Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. On-Site Concrete calculator. If you’re using posts, enter how deep the posts will be in the holes and select the size of the posts you’re using. 48 yards of concrete. The material has been accumulated by trucks and other equipment driving up onto the pile by a road that was formed up the side of the waste site. Accuracy and completeness are critical factors in all cost estimates. Step 2: Calculating the weight of the stone In this step you will be using the cubic feet you obtained from doing step 1 to calculate the approximate weight of the stone. Convert 6049 cubic feet to cubic centimeters. How many big bag of ballast do you need to make one meter of concrete. For pouring concrete footings 20 feet long, 2 feet wide, and 1 foot long, you would need 1. 1 Cubic Foot = 7. Get fair costs for your SPECIFIC project requirements. I thought it was to select the object and look under Entity Info, but that doesn’t seem to work in this case. You will need a calculator, pencil, and paper to do this. Multiply the length by the width and the result by the depth. m= 1/volume of1st class brick with motor. 75 calculates a volume of 317. The quantity of cement, sand and aggregates for various proportions of concrete such as M10 (1:3:6), M15 (1:2:4. You can also check your manual calculation through the online gravel calculator. 6 cubic feet of cured concrete. You will need a calculator, pencil, and paper to do this. Multiply length, width and height values together, this will give you the volume of the cube. Calculation: The density calculation is a two-step process. 167 = 689 kgs = 15. When purchasing, we suggest that you buy a little more than the calculated result. 56 cubic feet. concrete footing. How to use this calculator. Click the button to calculate the volume of concrete and man-hours (not including mixing) needed for this job. Concrete volume for 2nd flight of the staircase. Work out the water volume of a swimming pool in cubic units; Single Cubic Volume Formula. This calculator is intended for approximate guidance. Quantities are usually specified by weight (tons) or volume (cubic yards). 1 Cubic Foot = 7. sacks of Portland Cement per cubic yard (3000psi). The volume of the grout is the sum of the volume of cement and water or 1. 011 cubic yards. To use the Concrete Volume Calculator, simply 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. Assume a 10-by-10-foot square area. Enter the number of pilings/holes. Concrete lintels are vital structural members used in masonry construction for support above window and door openings. In the example, multiplying 0. Now we start calculation for find Cement, Sand quality in mortar for Plaster. Step 2: Enter the length, width and depth of area to fill (NOTE: depth is in inches, not feet): Step 3: Click Calculate to get amount needed. The cubic feet of cement required for the footings is calculated by using the dimensions of the slab that will support the structure. To be able to calculate the concrete volume needed for this type of slab your need to know the diameter of the circle and the depth of this slab. Measuring the area where concrete will be placed to calculate how many cubic yards, cubic feet (or cubic meters) will be needed. Answer / the engineer. Measure the length (L). Geometry is a branch of mathematics that deals with the properties of different shapes such as circles, squares and triangles. , you can buy ready-mixed concrete in 30kg or 40kg bags. Find volume in cubic feet. ** This estimate is based on a density of 150 lbs per cubic foot. i having a hard time on this problem help!!? After doing some work in the house, Bob and Carol want to put a concrete patio on the side of the house to keep people from tracking mud inside. 6786 Cubic Feet Gross Volume (can be rounded to 1. Measure from the grade line to the existing ground in several places to average the depth (e. Although these masonry components are complicated to design, calculating their volume can be easy enough for almost anyone with basic tools. 45 cubic feet of cured concrete. Calculating Area and Volume of Ponds and Tanks Good fish farm managers must know the area and volume of all ponds and tanks. 5 inch by 2 foot by 16 foot concrete countertop how do I convert it to cubic feet and hence know how many bags of concrete at. 54/a+b+c) × b = (1. It's crucial to accurately estimate how much concrete you'll need for a poured slab. Specific unit weight of concrete - amount properties converter for conversion factor exchange from 1 cubic foot cu ft - ft3 equals = 0. Now its time to calculate the volume of the concrete that you will need to build your patio.