With the Lowe’s Mulch and Soil Calculator, figuring out exactly how much you need for the allotted space is easy. Example: How Much Soil Do I Need for a 3x6 Bed? Our calculator can also identify how much cricket loam, rootzone, sand, gravel and bark you need. 2020 S Hutton Limited T/A Fineturf Company Registered No. When you start any outdoor landscaping project, it’s important that you have a rough idea of how much material you are going to need. How does the calculator work out the cost? 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. "How much soil do I need?" Measuring in metres is simplest, as this will give you the volume of topsoil you need in cubic metres. I want to ensure equal coverage to a depth of 4 inches. I want to ensure equal topsoil coverage to a depth of 3 inches with standard topsoil (110 lb/ft³). Remove grass clipping, dethatching debris, and plugs of soil from aerating. The depth of topsoil for growing vegetables will vary depending on what you plan to grow. Top soil is commonly sold in bulk bags which are approximately one cubic metre in size and hold just under a tonne of soil. 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): $$Density = {Mass \over Volume} = {5000\,lb \over 5\,yd^3} = 1000\,lb/yd^3$$, $$Price\,per\,unit\,volume = {Total\,soil\,cost \over Total\,soil\,volume} = {$100 \over 5\,yd^3} = 20\,$/yd^3$$. Spreading Topsoil Spread grass seed if overseeding. Simply select the correct units in the drop down area for each measurement and the calculator will convert them using the following conversions: $$1\,foot = 12\,inches = 0.33\,yards = 30.48\,centimeters = 0.3048\,meters$$, $$1\,US\,short\,ton = 2000\,pounds = 0.893\,imperial\,long\,ton = 907\,kg$$. Topsoil Calculator Use our free topsoil calculator to quickly identify how many tonnes or 25L/kg bags you need for a project. Have a big landscaping project on your to-do list that requires filling in natural areas with mulch or soil? Step 5: Soil The soil mix that we recommend is a 50/50 sand to soil mix. The process is straight-forward – you get new soil and add it to the top of your current soil, giving it an added boost … You have 1500 square feet and wish to put down 2" of topsoil. ... First, we need to divide the grass … Well, our topsoil calculator has an option for “custom density”, which you can calculate using the formulae: $$Density = {Total\,mass\,of\,topsoil \over Total\,volume\,of\,topsoil}$$. Multiply the volume by the density (in the same units) to get the soil weight All that work and to throw seed or fertilizer by hand is just sad. You might have noticed that we switch between units in our examples. This will allow the best combination of drainage and water retention to give your lawn the best foundation to grow from. Working out How much soil you need. Multiply the area you calculated earlier, by the depth of growing medium needed. You might be wondering what to do if your units are in different measurements? If you chose this you need to use a mechanical spreader. The process of adding a thin layer of soil on top of your lawn is a great way to improve it without disturbing existing grass. Adding new topsoil is a great way to enrich and greatly improve the quality of existing soil in your garden. You need at least 4 to 6 inches of nutrient-rich topsoil to grow good grass. I want to know how much topsoil I will need, the weight of the aggregate and the total cost of the project. Root vegetables such as potatoes and carrots will need 300 to 400mm, whereas vegetables such as salads, beans and courgettes will need a depth of 150 to 200mm. Domestic grass seed needs an optimum 6 inches of topsoil. Prepare the Site Before adding topsoil, grading the lawn ensures water will flow away from buildings. How to Use our Topsoil Calculator. Turfonline’s turf expert explains more in this article. Enter the area to be covered and the desired thickness, and we'll tell you how much topsoil to get. (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.) STEP 3: Spray the area with water once clean of debris. Let's make it 0.6 yd. What if I want to work with different units. • Lawns: four to six inches (100mm-150mm) of topsoil is required to let the roots of a newly laid lawn establish themselves. The exceptions are tree planting where deeper soils are needed. The recommended depth of imported topsoil required will depend on the site, the existing soil and what you are going to use the area for. Rolawn topsoil is sold in bulk bags, however if you need to calculate the tonnage required when buying loose topsoil, you’ll need to check the bulk density of the product, as this will vary depending on the type of topsoil and its make up. For the second example imagine I want to cover a circular garden bed, diameter 8 feet, with a custom topsoil aggregate. Once you add more than 3 or 4 inches of soil, the amount of weeds and grass that will grow through starts to … We know this can be tricky, especially when you are trying to estimate this by eye. Divide that figure by 1000 and multipy by 3. I want to ensure equal topsoil coverage to a depth of 3 inches with standard topsoil (110 lb/ft³). 💰. Not everyone will need to add four inches however, you may just need to add an inch or two depending on the quality and depth of the existing soil. STEP 4: Use the till to add in some nutrients and organic matter. 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’s not necessary to buy new topsoil or any special form of soil to cover your newly planted grass seed. This can be easily calculated from the weight/volume of a single bag of the topsoil you will purchase using the formulae: $$Number\,of\,bags\,required = {Weight\,of\,topsoil\,required \over Weight\,of\,a\,single\,bag}$$, $$Number\,of\,bags\,required = {Volume\,of\,topsoil\,required \over Volume\,of\,a\,single\,bag}$$. If you need to contact us please call +44 (0)1522 704444 or +44 (0)7908 518827. There is also a way to figure out how much soil is needed to cover a particular amount of area. Then, the topsoil calculator works out the total weight: $$Weight = Volume \times Density = 16.76\,ft^3 \times 1000\,lb/yd^3 = 0.31\,t$$, $$Cost = Price\,per\,unit\,Mass \times Mass = 20\,$/yd^3 \times 0.31\,t = $12.41$$. 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. The cost of the topsoil is $30 per US short ton. Let’s take the first example in which we required 0.275 US short tons of topsoil. GB 371 494929 Company Reg No. For a lawn, you only need about six inches of topsoil. (Grass and weeds will grow through soil 2 or 3 inches thick quite easily.) 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. A cubic yard covers 36 square feet to a 9-inch depth and 27 square feet to a 12-inch depth. Hello! If there is enough topsoil on site to provide the depth needed, till it and remove all stones, debris and clumps of weeds. Topsoil is most often sold by the metric tonne (1000kg), but the easiest way to calculate the quantity of topsoil required is by volume (cubic metres or litres). If the soil structure is poor, incorporating a soil improver may be the best option. Once again, the soil must be adequately raked and graded for proper drainage. How much soil do I need? We want to create enough space for the roots of grass to grow freely and without any obstacles. If you have the price per unit mass (e.g. Topsoil is the uppermost layer of soil, which is high in nutrients and organic matter. Prepare the Soil. To answer this question, the first step is to establish the volume of soil needed. For example: A site has an area of 10m x 15m and needs a coverage of 150mm. Topsoil is sold by the cubic yard. If your existing soil is reasonably good quality, a shallower layer of new topsoil may be all that’s required to bring it up the required depth or assist with providing a level surface and good tilth. The recommended depth of topsoil for creating lawns from turf or seed is 100 to 150mm. 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. Try using our Topsoil Calculator below to work out how much topsoil you need. cost per cubic foot) then the calculator can work out the total cost of the required soil for topdressing your lawn: $$Cost = Price\,per\,unit\,mass \times Weight$$, $$Cost = Price\,per\,unit\,volume \times Volume$$. Compost is the most recommended material to use, as long as it is completely finished and has few fillers. Recommended depths for topsoil • General gardening: for most planting, such as for a herbaceous border, you'll need around 8 inches (200mm) of topsoil. We’ll also help you understand the benefits to each, so you get the right product for your project. How much topsoil do I need is one of the most commonly asked questions by gardeners looking to buy topsoil. How do you know how much soil is already in your … The recommended depth of topsoil for creating lawns from turf or seed is 100 to 150mm. This is a good way of keeping your lawn nice and thick. Let’s say that I have a rectangular garden bed which measures 5 feet in length and 4 feet in width. Growing grass recovers from the strain of new soil more effectively than dormant grass. 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. 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