Tel: 01904 757300 Fax: 01904 608272 Email: info@rolawn.co.uk VAT No. How does the calculator work out the cost? Hello! 04578064 (England and Wales) This is a good way of keeping your lawn nice and thick. To add topsoil to an existing lawn, you'll only need a few inches. These include compost, yard waste or a slow-release fertilizer. Top soil is commonly sold in bulk bags which are approximately one cubic metre in size and hold just under a tonne of soil. Do make sure you select the correct units in the calculator. In the fall of 2017, I spread two-(2) cubic yards – first Erth Food and second bulk topsoil; the Erth Food really produces a “Chicken Shit Grass” and the top soil felt and looked more like sand: I spread these 2 cubic yards across the front yard and part of the back yard that surrounds the swimming pool. I enter these measurements into the calculator which would do the following operations in order to work out the total area of the garden bed: $$Bed\,area = Length \times Width = 5\,ft \times 4\,ft = 20\,ft^2$$, $$Volume = Area \times Depth = 20\,ft^2 \times 3\,in = 5\,ft^3$$. Multiply the volume by the density (in the same units) to get the soil weight A cubic yard covers 36 square feet to a 9-inch depth and 27 square feet to a 12-inch depth. Working out How much soil you need. You might be wondering what to do if your units are in different measurements? Try using our Topsoil Calculator below to work out how much topsoil you need. This can be a problem if you are growing grass from seed over a previous weedy lawn, the old weeds will grow through as well. You need at least 4 to 6 inches of nutrient-rich topsoil to grow good grass. How much soil/top soil is needed for grass. The calculator will also convert yards, feet & inches if your measurements aren’t in metres and millimetres. And green roofs where there may be issues with the weight. Imagine we buy soil in 40 pound bags, which is equivalent to 0.02 tons. Turf, and indeed most plants, need a depth of around 15cm of good quality growing medium to sink their roots into. Measuring in metres is simplest, as this will give you the volume of topsoil you need in cubic metres. You can already jump to the third point of topsoil calculator instruction in How much soil do I need? Growing grass recovers from the strain of new soil more effectively than dormant grass. Bulk bags vary in size, so do check how much is in a bag when comparing different products. $$Number\,of\,bags\,required = {Weight\,of\,topsoil\,required \over Weight\,of\,a\,single\,bag} = {0.275\,t \over 0.02\,t} = 13.75 \rightarrow 14\,bags$$. cost per cubic foot) then the calculator can work out the total cost of the required soil for topdressing your lawn: $$Cost = Price\,per\,unit\,mass \times Weight$$, $$Cost = Price\,per\,unit\,volume \times Volume$$. (that means 15cm would be expressed as 0.15 metres in your sums) The final answer is the volume – this is the figure you need. Make the calculations and see the changes. Topsoil is sold by the cubic yard. The first thing you need to do is measure the area you need to cover and the depth of soil you need (measure in metres and centimetres if you can), then just enter the measurements in our topsoil calculator below and press calculate! The cost of the topsoil is $30 per US short ton. For the custom topsoil aggregate I can therefore calculate it density (in pounds per cubic yard) and price per unit mass (in dollars per pound): $$Density = {Mass \over Volume} = {5000\,lb \over 5\,yd^3} = 1000\,lb/yd^3$$, $$Price\,per\,unit\,volume = {Total\,soil\,cost \over Total\,soil\,volume} = {$100 \over 5\,yd^3} = 20\,$/yd^3$$. STEP 3: Spray the area with water once clean of debris. Compost is the most recommended material to use, as long as it is completely finished and has few fillers. I can buy 5 cubic yards for $100, which weighs 5000 pounds. You might have noticed that we switch between units in our examples. When it comes to establishing and maintaining your lawn, knowing you have the right grass and grass seed for your area instantly increases the chances of growing a lush yard. Use our Product Calculator to calculate how much topsoil you need. There is also a way to figure out how much soil is needed to cover a particular amount of area. Once again, the soil must be adequately raked and graded for proper drainage. Mow grass as short as possible, without stressing it to the point of damage. This will allow the best combination of drainage and water retention to give your lawn the best foundation to grow from. Thatâs why we created our topsoil calculator. Spreading Topsoil This means the soil has passed through a sieve with ¼” holes in it, twice. The exceptions are tree planting where deeper soils are needed. An established grass crop mowed no shorter than 3" is able to out compete as well as shade the soil to discourage weed seed germination. To answer this question, the first step is to establish the volume of soil needed. Spread grass seed if overseeding. Remove grass clipping, dethatching debris, and plugs of soil from aerating. It does this by using the formulae given below: The total area of the garden bed and volume of the required topsoil is calculated using the formulae: You can calculate the total amount of the topsoil required for your lawn if you know the density of the topsoil using the formulae: Note that standard topsoil has a density of 100 lb/ftÂ³. In new properties the soil is often shallow and poor quality, therefore importing the full recommended depth of topsoil may be required. Itâs not necessary to buy new topsoil or any special form of soil to cover your newly planted grass seed. But for a vegetable garden, count on 12 inches; use 18 inches for raised beds. Adding new topsoil is a great way to enrich and greatly improve the quality of existing soil in your garden. The cost of the topsoil is $30 per US short ton. Add the 2 inches of top soil then reseed the area that you added the top soil. You need to replace the topsoil to work with your existing subsoil, but just how much do you need? I want to know how much topsoil I will need, the weight of the aggregate and the total cost of the project. First, the pH of the soil needs to be between 6.2 and 7.o. How do you know how much soil is already in your … With the Lowe’s Mulch and Soil Calculator, figuring out exactly how much you need for the allotted space is easy. Divide that figure by 1000 and multipy by 3. Asked August 11, 2016, 9:50 AM EDT. Topsoil Calculation: How Much Topsoil Do You Need: Your Input Area: 1000 square feet Thickness: 3 inches Result You need a total of 250 cubic feet of topsoil, or 9.26 cubic yard of topsoil, or 167 1.5-cubic-foot bag of topsoil, or 125 2-cubic-foot bag of topsoil, or 84 3-cubic-foot bag of topsoil. 4373077 Topsoil is the uppermost layer of soil, which is high in nutrients and organic matter. Learn this technique in five easy steps. paragraph. Otherwise, simply enter your measurements and appropriate units into our topsoil calculator to ensure your gardening project gets off to the best of starts! For normal utility lawns, a double screened ¼” topsoil will do. What if I want to work with different units. The recommended depth of topsoil for creating lawns from turf or seed is 100 to 150mm. Turfonline’s turf expert explains more in this article. Prepare the Site Before adding topsoil, grading the lawn ensures water will flow away from buildings. For the second example imagine I want to cover a circular garden bed, diameter 8 feet, with a custom topsoil aggregate. If you need to know how to grow grass from seed, or how to sod, we recommend a visit to our full modules on seeding and sodding for more tips. Topsoil Calculator Use our topsoil calculator to calculate how many bulk bags of topsoil you require. Combining these measurements with a little preparation will ensure that you are ready for your next outdoor landscaping project. I want to know how much topsoil I will need, the weight of the aggregate and the total cost of the project. It is time to choose the desired thickness (depth) of the topsoil level. Once you know the volume in cubic metres you can work out how many bulk bags are needed by dividing by the volume in a bag. This can be easily calculated from the weight/volume of a single bag of the topsoil you will purchase using the formulae: $$Number\,of\,bags\,required = {Weight\,of\,topsoil\,required \over Weight\,of\,a\,single\,bag}$$, $$Number\,of\,bags\,required = {Volume\,of\,topsoil\,required \over Volume\,of\,a\,single\,bag}$$. To calculate how much topsoil you need, simply measure the dimensions of the area you wish to cover and multiply this by the depth required. Calculating how much mulch or soil you need is simple and easy … just multiply LENGTH (m) X WIDTH (m) X DEPTH (m) or you can use the handy mulch and soil calculator below What if Iâm using a custom soil aggregate on top of my lawn? To create the blend, use the following quantities: 9 cubic feet of topsoil (9 20-quart bags) 4.5 cubic feet of compost (4.5 20-quart bags) 1.5 cubic feet of â¦ The recommended depth of topsoil for creating lawns from turf or seed is 100 to 150mm. Soil calculator supporting metric and imperial units - kg, tons, tonnes, cubic meters, cu ft, cubic yards, etc. Enter the area to be covered and the desired thickness, and we'll tell you how much topsoil to get. Grass will compete with weeds from the beginning. How much topsoil do I need is one of the most commonly asked questions by gardeners looking to buy topsoil. You’ll need to get this old grass out as it can poison the roots of your new grass seed. Let's make it 0.6 yd. It can be used for making new beds, borders, raised beds or as a base for lawns, where the natural soil â¦ Estimate the volume of topsoil needed, using geometrical formulas and plans or measurements of the area. Online topsoil calculator to estimate how much topsoil you need for your gardening project. (If you need to add more soil to a certain part of your yard, say 3-6 inches or more, just over-seed the area and it will look like new in a few weeks.) Standard density for topsoil is around 100 lb/ft 3 (1600 kg/m 3). STEP 4: Use the till to add in some nutrients and organic matter. The depth of topsoil for growing vegetables will vary depending on what you plan to grow. Then, the topsoil calculator would work out the total weight: $$Weight = Volume \times Density = 5\,ft^3 \times 110\,lb/ft^3 = 0.275\,t$$, $$Cost = Price\,per\,unit\,mass \times Weight = 30\,$/t \times 0.275\,t = $8.25$$. I want to ensure equal topsoil coverage to a depth of 3 inches with standard topsoil (110 lb/ftÂ³). How much soil do I need? 2020 S Hutton Limited T/A Fineturf Company Registered No. Multiply the area you calculated earlier, by the depth of growing medium needed. How to Use our Topsoil Calculator. STEP 2: Rake the soil to remove sticks, debris, and old grass. Do you prefer to manually work out how much grass seed you need? Sod and soil calculator to help you determine the amount you may require for your residential or commercial grass project in British Columbia or Alberta. If the soil structure is poor, incorporating a soil improver may be the best option. ... First, we need to divide the grass â¦ Calculate topsoil below to find the ideal quantity for your needs. 150 to 200mm of soil is usually sufficient for most planting. cost per ton) or price per unit volume (e.g. I want to know how much topsoil I will need, the weight of the aggregate and the total cost of the project. 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