To fill a 3x6 bed with 10" sides, you will need 15 cubic feet of blended soil. Use our Product Calculator to calculate how much topsoil you need. 2020 S Hutton Limited T/A Fineturf Company Registered No. Adding soil over grass is also not the cheapest option in lawn repair. Rolawn Limited, The Airfield, Seaton Ross, York, YO42 4NF, How to calculate volume & recommended depths. Prepare the Site Before adding topsoil, grading the lawn ensures water will flow away from buildings. 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 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: $$Bed\,area = Length \times Width = 5\,ft \times 4\,ft = 20\,ft^2$$, $$Volume = Area \times Depth = 20\,ft^2 \times 3\,in = 5\,ft^3$$. Roots don't grow well in … 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! It might contain very small stones and that’s perfectly OK. For an ornamental lawn, however, you’ll need the topsoil to be even finer and you should consider professional grade topsoil. Make the calculations and see the changes. The depth of topsoil for growing vegetables will vary depending on what you plan to grow. It is time to choose the desired thickness (depth) of the topsoil level. Using the measurements you provide from your lawn, our calculator first works out the area and volume of the soil required to ensure equal topdressing coverage. Multiply the volume by the density (in the same units) to get the soil weight If you chose this you need to use a mechanical spreader. How much topsoil do I need is one of the most commonly asked questions by gardeners looking to buy topsoil. 150 to 200mm of soil is usually sufficient for most planting. Add the 2 inches of top soil then reseed the area that you added the top soil. I want to know how much topsoil I will need, the weight of the aggregate and the total cost of the project. For a lawn, you only need about six inches of topsoil. Top soil is commonly sold in bulk bags which are approximately one cubic metre in size and hold just under a tonne of soil. Divide that figure by 1000 and multipy by 3. I have a gravel bed I would like to convert back into a bed/lawn of grass. Do you prefer to manually work out how much grass seed you need? With the Lowe’s Mulch and Soil Calculator, figuring out exactly how much you need for the allotted space is easy. How Much Topsoil do I Need? If you have the price per unit mass (e.g. Topsoil Calculator Use our topsoil calculator to calculate how many bulk bags of topsoil you require. I want to ensure equal coverage to a depth of 4 inches. (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.) The cost of the topsoil is $30 per US short ton. Domestic grass seed needs an optimum 6 inches of topsoil. What if Iâm using a custom soil aggregate on top of my lawn? Simply select the correct units in the drop down area for each measurement and the calculator will convert them using the following conversions: $$1\,foot = 12\,inches = 0.33\,yards = 30.48\,centimeters = 0.3048\,meters$$, $$1\,US\,short\,ton = 2000\,pounds = 0.893\,imperial\,long\,ton = 907\,kg$$. 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): $$Density = {Mass \over Volume} = {5000\,lb \over 5\,yd^3} = 1000\,lb/yd^3$$, $$Price\,per\,unit\,volume = {Total\,soil\,cost \over Total\,soil\,volume} = {100 \over 5\,yd^3} = 20\,/yd^3$$. 1m3 will cover an of 40 square metres 25mm thick, for example: I want to know how much topsoil I will need, the weight of the aggregate and the total cost of the project. This is a good way of keeping your lawn nice and thick. Topsoil is the uppermost layer of soil, which is high in nutrients and organic matter. For example, density is given in pounds per cubic yard and volume is given in cubic feet. Letâs say that I have a rectangular garden bed which measures 5 feet in length and 4 feet in width. The recommended depth of topsoil for creating lawns from turf or seed is 100 to 150mm. Topsoil similar to the existing soil structure is acceptable and will help smooth out the ground, but doesn’t contain much organic material. paragraph. You might be wondering what to do if your units are in different measurements? Be sure to know exactly the correct quantity for your project or you could find yourself spending more than is needed, and with a pile of topsoil you donât need! Turf is a made up of thousands of living plants and all plants need growing medium to support them. Calculate both the volume and the cost of the topsoil 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. ... First, we need to divide the grass â¦ Compost is the most recommended material to use, as long as it is completely finished and has few fillers. Topsoil Calculator Use our free topsoil calculator to quickly identify how many tonnes or 25L/kg bags you need for a project. For the second example imagine I want to cover a circular garden bed, diameter 8 feet, with a custom topsoil aggregate. 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. In simple terms you will be working out width, x length x height Make sure all of the measurements you used were in metres. Spread grass seed if overseeding. ð°. A cubic yard covers 36 square feet to a 9-inch depth and 27 square feet to a 12-inch depth. Calculate topsoil below to find the ideal quantity for your needs. Letâs take the first example in which we required 0.275 US short tons of topsoil. This means the soil has passed through a sieve with ¼” holes in it, twice. Once you add more than 3 or 4 inches of soil, the amount of weeds and grass that will grow through starts to … The recommended depth of topsoil for creating lawns from turf or seed is 100 to 150mm. I want to know how much topsoil I will need, the weight of the aggregate and the total cost of the project. I now enter these measurements into the topsoil calculator to work out the garden bed area: $$Area = \pi Ã \biggl( {Diameter \over 2} \biggr) ^2 = \pi Ã \biggl( {8\,ft \over 2} \biggr) ^2 = 50.27\,ft^2$$. Thatâs why we created our topsoil calculator. A nice, thick lawn requires healthy soil as its base, but this can be difficult to do once grass is established. It’s also important to know how much seed you need, and that’s why Lowe’s has a Grass Seed Calculator to make sure every inch of your yard is covered and to save you time and money. How do you know how much soil is already in your … You can also enter your measurements into Rolawn’s handy Topsoil Calculator which will give you an indication of how many bags of the different Rolawn topsoils are needed. Grass will grow in 1.5 inches of topsoil, but the minute it gets dry or hot and there is not root system to support the plant it will die. Calculate the number of bags of soil of certain size would be required to cover a given area with a given thickness of soil layer. For raised beds sold in bulk from specialist suppliers, garden centres and DIY.... Thick lawn requires healthy soil as its base, but just how much do you prefer to manually work how. Water will flow away from buildings how can you tell if you need blended soil Before adding topsoil grading! Grow from a 3x6 bed with 10 '' sides, you only need about six inches of topsoil need... A 9-inch depth and 27 square feet of yard you topdress at a time, shovel out a small of. Imperial units - kg, tons, tonnes, cubic meters, cu ft cubic. Your new grass seeds will sprout flow away from buildings sides, you only need about six inches topsoil! In new properties the soil mix and thick want to work with different units bed/lawn of.. 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