how to calculate cubic meter of concrete

The calculation of the cubic meters of concrete to pour into a framed area is easy. Let’s assume a typical case where you need to concrete a floor for that day. Here’s what the math looks like for a 10’ by 10’ concrete patio: Essentially you are solving for volume and then converting to cubic yards. How to Calculate Cement bags per Cubic meter Concrete? Increase this to six inches to better handle heavy loads. For step 2, with a rise of 6 inches, run of 6 inches and width of 4 feet, the calculation would be 2 x 0.5 x 0.5 x 4 = 2 ft3 (cu ft.). Copyright 2020 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Footings will rarely follow the drawing exactly. If you’re purchasing bagged concrete you may be able to have it delivered, but if it is only a few bags you’ll be responsible for transporting it yourself. This free concrete calculator estimates the amount of concrete necessary for a project, and can account for different shapes and amounts of concrete. Be careful when working with and around concrete. Copyright 1999-2020 - None of this site may be reproduced without written permission, Calculate concrete slab and footing pours and get estimating tips. For example, a conventional redymix concrete bag of 80 lbs may be listed as having a yield of approximately 0.60 cu ft or a 25 kg bag may have a yield of ~0.01 cu m. With a few simple mathematical transformations we can use this number to arrive at the in place density of the material and complete our calculation of the total mass and number of bags of concrete we would need. This totals .17 cubic yards. Our software uses readymix concrete (a.k.a. In Europe the standards are 25 kg and 50 kg bags. GoogleRadioMoney MailerYellow PagesYellow BookValPakVerizon Book Magazine (please specify which one)    Attach Photos and Documents Here   Please leave this field empty. Enter the depth, width and length of your concrete slab to calculate the number of cubic yards and concrete bags needed to complete your project.. The process is as follows: The final step can be done for a custom mix by calculating the required amounts of gravel, cement and other materials based on the chosen proportions (percentages). Cassandra Tribe has worked in the construction field for over 17 years and has experience in a variety of mechanical, scientific, automotive and mathematical forms. Example calculation Estimate the quantity of cement, sand and stone aggregate required for 1 cubic meter of 1:2:4 concrete mix. Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. The work volume will be equal to the following: Volume= 5 meters high x 10 square meters = 50 cubic meters. If you fill the shuttering area with blue metal alone it has lots of voids in it which also need to be filled by the other materials such as sand & cement. A cubic meter, or cubic metre in British English, is a measure of volume for a cube that has a length, width, and height of one meter. Add 10 percent to the total cubic meters of concrete you will need. Multiply the length times the width times the depth of each section. Our concrete calculator provides you an easy way to calculate concrete volume and estimated cost of concrete slabs, footers, walls, columns, steps, stairs, curbs and gutters in cubic feet, cubic yards, and cubic meters and inches. The volume formula for each particular step is n x step rise x step run x step width, where n is the n-th step. Steps seem tricky to calculate but are not. It is no different for a concrete footing, where we again have the familiar formula h x w x l. A rectangular column is simple to calculate, except in most cases the height will be much greater than the foundation dimensions, so in our concrete calculator we have defaulted to inches for width and length, and feet for the height (cm and meters respectively). A 20 cubic yard order that comes up cubic yard short is not a good order. Divide the total number of cubic feet in your pour by 27, the number of cubic feet in a cubic yard. Learn how to correctly calculate how much concrete mix you will need for your job. To calculate cubic meters of a surface of 10 square meters (5 meters by 2 meters, with a height of 5 meters. Then use the calculator to figure the amount of concrete needed. This total is your total cubic feet. This number is the cubic feet in your pour. Calculate the Final Concentration of a Solution With Different Concentrations→. They are 4 feet in height and 10 inches in width (diameter), or 4' x 10". Multiply 1 x 1.3 and divide the result by your cubic yards measurement: 1x1.3= 1.3, 19÷ 1.3= 14.61 square yards Use this free concrete calculator to determine how much concrete you need. bags of concrete to buy. To calculate a volume in cubic meters, start by measuring your space. Rule of thumb: add 1/4" to the thickness of your slab for your slab concrete budget. Contact us and view our privacy policy, terms & conditions, and press room, Granite Construction has an excellent base fill calculator, Determine how thick you want the concrete, Measure the length and width that you’d like to cover, Multiply the length by the width to determine square footage, Convert the thickness from inches to feet, Multiply the thickness in feet by the square footage to determine cubic feet, Convert cubic feet to cubic yards by multiplying by .037, Pouring small slabs for sidewalks or patios, Making repairs to foundation walls, walkways or steps, Footings for decks, pergolas, walls and more, Large patios, driveways, pool decks and more. Figure depths and widths as they have been built on the site, not simply what the plans say. Learn the required concrete density, or estimate it based on the chosen concrete mix. We are not to be held responsible for any resulting damages from proper or improper use of the service. Finally, convert your cubic yards to cubic meters by multiplying the cubic yards by 0.764554857992 (the amount of cubic meters in a cubic yard). Concrete manufacturers often don't specify the density of their concrete mixture directly, but instead give you the bag yield of the material in place. Always double-check your initial measurements. Where the manpower will be totally wasted and impact your cost estimation. Measure the length and width of the area in which you will pour the concrete in feet and inches. Calculate how many kilograms ( kg - kilo ) of concrete are in 1 cubic meter ( 1 m3 ). Each tool is carefully developed and rigorously tested, and our content is well-sourced, but despite our best effort it is possible they contain errors. This number is the cubic feet in your pour. If you have multiple sections from Step 1, measure the depth for each section. This form is more complex and not currently supported by our calculator. She has been writing and editing for over 10 years. For example, to calculate the volume in cubic meters for a wall with a height of 2m, width of 20cm and length of 4m, you need to multiply 2 x 0.2 x 4, which equals 1.6 m3 (cubic meters). What is the full form of 1BHK, 2BHK, 2.5BHK? This assumes you have the job evenly graded to the right depth, and the grade is well compacted. If your project requires more concrete, multiple trucks will be necessary. How to calculate cubic meters of concrete. Our concrete calculator allows you to specify custom concrete density for accurate results. The average truck holds between 9 and 11 yards total. A typical concrete mix weighs 150 lbs per cubic foot, 4,050 lbs per cubic yard, or 2,400 kg per cubic meter. To calculate the area we only need its diameter, since the formula is π x r2, where r is the radius, or diameter/2. feet of porch surface, so enter in the slab calculator 4" thickness by 3' width by 3' length. For a wall made of concrete the calculation is practically the same: height(ft) x width(ft) x length(ft). The simples use of our tool is as a concrete slab calculator or concrete wall calculator. - Online Calculators. For Nominal Mix. Be careful when working with concrete and around. Completely settling in place might take several years, depending on climate and other conditions. You have 8.33 cubic yards (6.37 cubic meters) of concrete that will be poured in this example. See our full terms of service. Calculating the cubic meters of concrete you will need to pour in the area you have formed is easy. Polymer-based concretes are seldom used. In these two scenarios, you need to know the exact material requirements for the concrete volume, if not either you have to bring/buy more materials interrupting the work or you will do partial work. The total number of cubic meters at you will need in this example is 6.37 (rounded to the third decimal). Materials required are 7 nos. Romans were so good at making concrete, that some of it is in perfect condition even today, some 2 millennia later. If you have different sections, add the results of each equation together to arrive at one total number. If the area is not shaped like a simple square or rectangle, divide it into sections that allow you to measure each section as close to a rectangle as possible. You have to instruct the labourers to bring the required materials from the stock room for the day or you need to buy materials from the store. If you already know the density and volume you can also use our density calculator to complete the calculations. Lightweight concrete is usually below 1500 kg/m3, while electrically conductive concrete is between 1450-1800 kg/m3. If you'd like to cite this online calculator resource and information as provided on the page, you can use the following citation: Georgiev G.Z., "Concrete Calculator", [online] Available at: URL [Accessed Date: 12 Nov, 2020]. It can be upsetting to end up with any extra concrete. The porch also has 9 linear feet of 6" step. Such void gap is known as void ratio compressibility which is 30-32% for coarse aggregate & 20% for sand. It makes your construction project planning and budgeting more accurate. Multiply the length times the width times the depth of each section. Again, to convert cubic yards to cubic meters, we'll also have to apply the rule of three. Conventional concrete has density between 1900 kg/m3 and 2400 kg/m3 and can endure, on day 28 of its pouring, and has a compressive strength between 2500 psi and 7000 psi (pounds per square inch) ~ 200-492 kg/cm2. Before using a concrete calculator, it is helpful to understand what concrete is so any estimations you make can be as close to reality as possible.

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