Soil Calculator — soil, mulch, and lawn math without the fuss.
SoilCalculator.net is a collection of fast, accurate soil, mulch, compost, and lawn calculators designed for homeowners, landscapers, and gardeners. Convert area and depth into cubic yards, cubic feet, liters, bag counts, and even tons—with plain‑language results. Choose from tools like Soil Volume, Mulch Coverage, Fill Dirt, Compost, Top Dressing, and more.
Every calculator includes clear units, sensible defaults, and a helpful Useful Tips section. Whether you’re filling raised beds, ordering bulk topsoil, or planning a lawn renovation, our tools give you the right numbers fast.
Pick a calculator below. Each card explains what it does. On every page, a dropdown menu gives you quick access to all tools.
Soil Volume Calculator (Beds & Planters)
Measure beds/planters and convert to cubic feet, yards, liters, and bags.
Mulch Coverage Calculator
Estimate mulch volume from area and depth; compare bulk vs. bags.
Yards → Tons Calculator
Convert cubic yards to tons using realistic material densities.
Raised Bed Mix Calculator
Split total volume into recipe parts (compost, soil, aeration).
Fertilizer Rate Calculator
Hit a target lbs N/1k ft² from your product’s N‑P‑K and area.
Fill Dirt Calculator
Compute fill dirt yards/tons and estimate truckloads.
Compost Volume Calculator
Plan compost for beds or lawn; get yards, ft³, and approximate bags.
Top Dressing Lawn Calculator
Topdress area and thickness for compost/sand/soil material.
Organic Matter Increase (Rough) Calculator
Rough compost estimate to raise soil OM within a mixing depth.
Soil Texture Calculator
Classify soil (Loam, Sandy Loam, Clay, etc.) from sand/silt/clay %.
Soil pH Buffer Calculator
Estimate lime needed to raise soil pH using a buffer capacity factor.
Soil Moisture Content Calculator
Compute gravimetric moisture % from wet and dry sample weights.