Soil Calculation Formula:
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The lawn soil calculation determines how much soil (in cubic yards) you need to cover a specific area to a desired depth. This is essential for lawn care, gardening, and landscaping projects.
The calculator uses the following equation:
Where:
Explanation: The calculation converts the volume from cubic feet to cubic yards, which is the standard measurement for bulk soil.
Details: Accurate soil calculation helps prevent over-ordering (saving money) or under-ordering (preventing project delays) of soil materials for your lawn or garden.
Tips: Measure your lawn area accurately in square feet. Determine the required depth based on your project needs (typically 3-6 inches for topsoil). All values must be positive numbers.
Q1: How do I measure my lawn area?
A: Break irregular shapes into rectangles, calculate each area, and sum them. For circular areas, use π × radius².
Q2: What depth should I use for topsoil?
A: For new lawns, 6 inches is typical. For topdressing existing lawns, 1/4 to 1/2 inch is common.
Q3: How many cubic yards in a ton of soil?
A: Approximately 1-1.5 cubic yards per ton, depending on soil moisture and composition.
Q4: Should I order extra soil?
A: It's wise to order 10-15% extra to account for settling and irregularities in spreading.
Q5: Can this calculator be used for mulch?
A: Yes, the same calculation works for mulch, though mulch is typically applied at shallower depths (2-4 inches).