How Much Soil or Mulch Do I Need? To create the blend, use the following quantities: 9 cubic feet of topsoil (9 20-quart bags) 4.5 cubic feed of compost (4.5 20-quart bags) 1.5 cubic feet of soilless growing mix 0. Let's imagine that you want to grow herbs. Enter the dimensions. I found that one 40-pound bag will cover about 18 inches by 12 inches, 4 inches deep. You actually need 5.6 bags of soil. There are 54 bags of stone or soil per 1 cubic yard. Bulk bags vary in size, so do check how much is in a bag when comparing different products. by ptoall1000: 3 :53pm On Jul 06, 2015; And what type can you suggest? I want to grow with FoxFarm Ocean Forest Potting Soil but that stuff is 19.00 for 1.5 cubic foot meaning that Ill only get 2 -5gal buckets out of 19.00 Im planning on growing auto's so the plants will be under 36" and cropped in 65-75days from seedling. I am totally new to gardening. For a raised bed or pot that will be placed on a patio or other hard surface, make sure that the container is deep enough to accommodate root development. Topsoil Calculator. In our case, it's a flower pot, so we need to calculate the volume of truncated cone. If you need 34 cubic feet of soil and each bag contains 2 cubic feet, you need 17 bags. A rich fertile premium grade blended soil suitable for all planting and landscaping projects. You can sketch out a diagram to estimate how many bags it will take. If you do not consider yourself a pedologist (a soil scientist), you can assume that there are six different types of soil: Sandy soil – it feels dusty in hand. Since the soil is measured in cubic feet, I am at a loss. by Brozo1: 5:52pm On Jul 06, 2015; The fertility of the soil will determine the bags of fertilizer to be used. Bags or Bulk. The Wikipedia link suggests a soil density – assuming you buy something rich in organics – of around 1g/cm 3. Home-improvement and garden stores often sell soil in bags that indicate how many cubic feet they contain. Just supply the length, width and depth of your project. Sandy soil dries very fast in sunny weather as it does not hold water very well. Some plants are deep rooted, while others only require shallow soil to cover their roots. WIDTH (in meters) LENGTH (in meters) DEPTH (in centimeters) TOTAL NUMBER OF BAGS . Multiply the number of cubic yards you need (2.5) by 27. TO ESTIMATE, BAGGED MATERIAL, SOIL, COMPOST OR BARK CHIPS. I have purchased 16 inch disks to put inside to cut down on the amount of potting soil needed. Their topsoil is lots less expensive than potting soil or garden soil. I would suspect that you don't need a garden bed 3 feet high. Below are recommended depths for our products. Calculator. 99×20kg bag = 1.0m3. A 40 pound bag of topsoil usually contains about .75 Cubic Feet of soil. Calculating Depth. If you work out your volume in cm 3, multiply that by 1 g/cm 3 to calculate how many grams of soil you need. You may also face the following issues when you going to fill up your containers: Liquid vs Dry Measurement. So whether you are buying 1-cubic-foot bags or 40-pound bags, the math is the same: multiply the number of cubic yards you need by 27. I plan to buy four 20 : Answer from NGA March 9, 2010. I have wondered for decades, since I was a kid, about the relative pot sizes, and the soil they hold, to the commercial bags of soil, frustratingly labeled in both cubic feet and gallons. Divide by 1000 to work out how many kilograms you need, then divide by 25 to work out how many bags you need. To work out how many 50ltr bags of compost will fill 1 cubic meter, divide 1000 by the size of the bag. 5 6 7. I want to do some container gardening. Re: How Many Bags Of Fertilizers Are Needed For 1 Hectare Of Maize? Question by karoni2 March 9, 2010. The only potting soil I use for all my plants is EcoScraps. One bulk bag of soil contains 0.9 cubic metres. Use our free topsoil calculator to quickly identify how many tonnes or 25L/kg bags you need for a project. They are 20 inches across at the top and get smaller as they go down. Fairfax, Vi. How Much Soil 3 Do I Need for Raised Flower Beds and Shrub Borders?. Potting soil calculator can help in that problem: Choose the shape of the container. 1000 litres make up 1m3. If you know the number of cubic feet you need, just divide that number by the cubic feet of soil in a bag to find the number of bags you need. 1×20kg bag = 0.01m3. How much soil do I need? I'm actually waiting for a reply back from 'Black Kow' the company that makes this topsoil as to how many cubic feet a 40lb bag may contain. Things You Will Need. How many yards of top soil will you need to cover an area 105 feet x 84 feet x 3 inches deep? How many bags of soil do i need to cover 20000 square feet and i don't care how good the soil is and it needs to be 6 inches deep? It only takes about 1 foot of soil to satisfy most plants. ESTIMATE COMPRESSED MATERIALS SUCH AS ROAD BASE. Tip. You have couple small flower pots, and you don't know how much soil do you need. 1000L/ 50L = 20 bags. You could either: round that up to 6 bags and have some left over for other projects in the garden. Or 18 inches for root crops. Nor do these figures account for any packing down of the soil (the taller the container, the greater the compression). Besides, the actual container size also varies on the manufacturer. To use a raised bed over native soil, be sure to turn the ground with a hoe or garden tiller first. Of course, potting soil is not a liquid, so the bags contain dry quarts, each of which equals about 1 1/8 liquid quarts. What Soil Type Do I need? Traditional garden beds & shrub borders – 1 Cubic Yard per 500 sq. How many bags of garden soil do i need Our soil calculator can be used to help you determine how much soil all of your containers will need. It depends on the volume in each bag! Enter the area to be covered and the desired thickness, and we'll tell you how much topsoil to get. Use the handy chart below to determine how many bags of Miracle-Gro® Raised Bed Soil to purchase. To fill a 3×6 bed with 10″ sides, you will need 15 cubic feed of blended soil. I have a space in mind which is about 442 square feet and I'm thinking 1 foot high. Road base Light vehicles – 100mm = 0.1m Heavy vehicles – 150mm = 0.15m. Compression can cause you to need 15% to 20% more soil. 1000L / 25L = 40bags. 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. The bags of soil I'm looking at at 40 pound bags. Most plants need soil that is loosened 12 inches to 18 inches deep. There are 27 1 cubic foot bags or 18 1.5 cubic foot bags of mulch per yard. The most economical way is to purchase the largest bag of potting soil you can. The amount of potting mix exactly needs to fill up a container depends on the size of the containers and their dimensions. Soil calculator supporting metric and imperial units - kg, tons, tonnes, cubic meters, cu ft, cubic yards, etc. 2.5 x 27 = 67.5 bags of cubic foot or 40-pound bags of mulch. How Much Potting Soil Do I Need to Fill My Tomato Pots. How many bags of top soil for a 5 ft x 5 ft x 1 ft area? Obtaining the right type of dirt or soil is just as important as determining the amount needed. It helps hold in moisture, minimizes soil temperature fluctuations, keeps weeds at bay, and adds a decorative final touch. Calculate both the volume and the cost of the topsoil needed. An organic mulch, such as bark mulch and pine straw, offers many benefits to plants and soil. Most bags of mulch hold 2 cubic feet. If you are still unsure how much bagged or bulk material to get provide the measurements to the KLS staff and they can help you estimate. This would equal 20 bags of soil sold in bags containing 2 cubic feet of dirt each. How much soil do I need to fill a pot - Knowledgebase Question. It is commonly found at a depth of around 4 to 12 inches, and usually contains a high amount of nutrients and organic matter, including carbon and nitrogen. For reference: One cubic yard equals 27 cubic feet. Measuring tape . Bags of potting soil are typically sold in volumes of 1 or 2 cubic feet, so the imaginary planter box could be filled with a single, 1-cubic-foot bag of soil, with some left over. Answer. 5.04 divided by 0.9 is 5.6. Topsoil. So there are 13-1/2 bags of mulch in a yard. Hi. I recently purchased faux/resin whiskey barrels for the front of my house. How many bags would it take to fill this raised bed? Mulch 100mm = 0.1m. Well, this can easily be calculated if you know the weight or volume of a single bag of soil. Now that I am moving to containers for some dwarf trees and root crops, I needed to know cubic yards to have delivered for my 20-30 x-lg plastic pots and bags. I'll also be adding some of their compost to the mix. Our calculator can also identify how much cricket loam, rootzone, sand, gravel and bark you need. How many bags of fertilizer are needed for 1 hectare of maize? I have no clue how much potting soil I will need to fill them. 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. I've been thinking about doing a raised garden this year and have not done one before. Bury Hill’s Premium Grade Topsoil: Bury Hill Black . If you are not sure how high to make your raised bed, consider what you want to grow. Re: How Many Bags Of Fertilizers Are Needed For 1 Hectare Of Maize? Im trying to figure out how many bags of soil I need. My actual guess would be that if each bag were to hold 2 cubic feet of soil (again, this is a guess! The amount of soil you need to purchase to fill your raised bed garden depends on the size and depth of your bed. Basic types of soil. On the flip side, the soil that comes with your plants (around the roots) will add volume. Online topsoil calculator to estimate how much topsoil you need for your gardening project. 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. It will convert your measurements into cubic feet and yards so you’ll know how much potting soil you’ll need for your window box, garden plot, flower bed, or yard. Topsoil refers to the top layer of dirt on the earth’s surface. You need 5.04 cubic metres of soil. Whether you are growing in raised beds, 5 gallon buckets., how to get a copy of your w2 online A cubic yard, by the way, is 3 feet wide by 3 feet deep by 3 feet high. Example: How Much Soil Do I Need for a 3×6 Bed? How many bags of soil do i need? Example: In our example above, we needed 2.5 cubic yards. Or order 5 bags of soil and only fill your raised beds to within a few centimetres of the top. Use this topsoil calculator to find out how much topsoil you need to buy for your yard. It really depends on how many cubic feet each bag of soil contains. Try to make an educated guess of quantity needed using the formulas. Use our topsoil calculator below to calculate how many bags you will need to order for your landscaping project. Top Answer. Depth is measured in meters(m). Topsoil Calculator. 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