Once you know the density and total volume, use the following formula to calculate how much soil you need in tons. So, how much does a cubic yard of dirt weigh? One yard of dry or loose soil weighs 1.0 – 1.3 tons, while one yard of wet or compacted soil weighs 1.5 – 1.7 tons.
You can calculate how much soil you need in tons by multiplying its density by the volume. Measurements in various units of a space with the volume of one cubic yard of soil. The table below shows the size of the space equal to one cubic yard of soil in other units. One cubic yard is equal to a space that is one yd wide, one yd long, and one yd deep. Soon your plants will be enjoying their new environment, and you will be enjoying your happy plants!Ĭheck out our mulch calculator to estimate mulch for your garden bed, or see our gravel calculator to estimate stone, gravel, and other landscaping materials.Īt this point, you still might be wondering just how much is a yard of dirt? Give this number to your supplier, who will usually deliver the soil to your location for a small fee. The calculator above provides this volume for you.įor hand calculators, divide your total cubic feet by 27 (3×3×3) to get cubic yards.īe sure to check your calculations and confirm your measurements using a cubic yards calculator. No matter how you get your total, you should consider buying in bulk by the cubic yard (or cubic meter) if you need a lot of material. You will need to figure the number of bags depending on what size you buy. The result is the volume of soil required for your project. Add together the separate volumes if you divided your space into sections.Ĥ. Then multiply them all together to find the volume in cubic feet (length × width × depth).ģ. Make sure all measurements are in the same units (usually feet or meters).Ģ. If you want to do the calculations by hand, then skip Step 4 above, and do the following:ġ. The Soil Calculator bag estimator is based on 0.75 cubic feet per bag. In the US, a 40-pound bag measures between 0.5 and 0.75 cubic feet. Sometimes topsoil and compost are sold by weight, which varies depending on what the material is. By far, the easiest way to calculate quantities is to use the soil calculator above! Enter your measurements, hit calculate, and it’s all worked out for you: cubic feet, yards, even the number of bags. Remember that soil will settle, so be a little generous with this measurement.Ĥ. If you have a hard border or a raised bed, measure the depth of the partition. For refreshing gardens, usually, 3-6 inches (76-152 mm) of new soil is sufficient. Decide on the depth of the new soil that you want. Break your garden into sections to measure.ģ. Then measure each section separately.ĭiagram 1. If the space is complex, break the area into smaller, regularly shaped sections, like in the diagram below. Using a tape measure, measure the length and width of the area(s) you want to fill. To minimize work and expense, follow these instructions for getting the right amount of soil that you need.ġ. You may also need fill dirt for landscaping projects and hardscapes, which is used to fill in large volumes.Īdding soil can be a substantial investment in time and money. Generally, a good proportion is 60% topsoil, 30% compost, and 10% potting mix. To achieve that balance, it’s a good idea to mix soil, compost, and potting blends for the best plant growth.
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