What if I’m using a different material? When you enter your measurements into the calculator, it works out the area and volume of the sand required using the below formulas: If you know the density of the material you are using (NB: standard sand is 100 lb/ft³), the sand estimator can work out how many tons of sand you will require using the formula: If you have the price per unit mass (e.g. Use it to calculate the volume of sand you will need, the weight of the material, and if you know the price per unit mass/volume, then the total cost as well. The sand’s density is 100 lb/ft³  and costs $10 per ton. Sharp sand is good enough to bed them in. Thanks. You may need to consider these and be prepared to order some small bags of sand and an extra bag or two of cement. Using the measurements provided, our calculator first works out the volume of the required concrete mix using the formulae given below. Additionally, how thick does a concrete slab need to be for a shed? My sand/gravel is in a cone shaped pile and I know how to calculate that. How much sand do I need for a 25kg bag of cement? The first step is to establish the volume of sand needed. Need to structurally design an RCC Element to know the same, If I want to calculate in LxBxH means (e.g) L-5ft ,B-5ft, H-2ft how to calculate the cement bags, volume of concrete required = 5 * 5 * 2 = 50 cft, 1.415 cum will require 1.415* 6 = 8.49 say 8.5 bags. 3.Coarse Aggregate = 209/0.167 = 1252 kg. What is the highest mixture and what is the lowest mixture. Also when is the best time to do the pointing. Could u plz explain me how did u get thay 0.036 which u have multiplied with ratios ?? Your email address will not be published. Both of these concrete calculators make an allowance for the fact that material losses volume after being mixed to make concrete. A 20kg (standard density) bag of general cement has around 0347 m³. Homeowners have a lot of options for making an outdoor space into a livable and comfortable setting. It can be difficult to look at a space and estimate how much is required, and this can result in wasted money and time. Consider volume of concrete = 1m3 Dry Volume of Concrete = 1 x 1.54 = 1.54 m3 Sand= (1.5/5.5) x 1.54 = 0.42 m3 ∴ 1.5 is a part of Sand, 5.5 is sum of ratio Density of Sand is 1450/m3 All of the 'recipes' say a 1:4 mix - however I would like to order the sand by the meter. Step 1 Measure the length and width of your patio in feet. Thanks. bags of concrete to buy. See the table in the resources section which indicates the amount of aggregate you will need to add to your concrete mixture. So, 0.265 m³ / 0.0347 = 7.66 bags (Approx. Now you are able to calculate the cement and Sand requirement for other Thickness, just need to … Hi there are a lot of Building calculators out there that will give you all the information you require.I normally work appox a tonne for 10 sq metres and 5 bags of cement per tonne. Mix concrete by using 1 part cement to 2.5 parts sand. Step 2 Multiply the length by the width to find the area of your patio in square feet. Completely settling in place might take several years, depending on climate and other conditions. How much gravel do I need? Then you need to know the proportion of the cement and sand in the mortar. This is a concrete block and a brick. how to find the reinforcement for 1m cube concrete block? If you are wondering 'how much sand do I need', our free sand calculator is here to do the math for you. For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags. 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