Landscaping & Garden calculators
Mulch, soil, compost, river rock, sod, grass seed, plant spacing and firewood calculators for beds, lawns and yards.
- Compost CalculatorEstimate compost for lawn top dressing, garden beds, trees and shrubs, and erosion control, in cubic yards and cubic feet.
- Fertilizer CalculatorWork out how many pounds of lawn fertilizer to spread for a set nitrogen rate, from the size of your lawn and the first number on the bag.
- Fill Dirt CalculatorEstimate how much fill dirt a low spot, raised grade or trench backfill needs in cubic yards, with an allowance for soil that packs down.
- Firewood CalculatorFind how many cords or face cords are in a stack of firewood, how much solid wood that is, and how much heat it holds by species, from NIST and extension data.
- Raised Garden Bed Soil CalculatorFind the soil volume for any number of raised garden beds, with depth by crop, in cubic yards, cubic feet and bags of soil.
- Grass Seed CalculatorWork out how many pounds of grass seed a lawn needs for a new lawn or overseeding, from its length and width and the grass you choose.
- Mulch CalculatorWork out how much mulch to buy for beds, tree rings and borders, in cubic yards and bags, with depth guidance and a top-up option.
- Plant Spacing CalculatorFind how many plants fit in a bed at your spacing, in a square grid or staggered rows, with spacings for common vegetables from an extension guide.
- River Rock CalculatorWork out how much river rock or landscape rock you need for a bed, path or dry creek: cubic yards, tons and bags, for any shape and depth.
- Sod CalculatorWork out the square feet of sod to order for a lawn, yard or side strip, plus the pieces and pallets, with extra for cuts.
- Soil CalculatorEstimate how much topsoil or garden soil to order for new beds, leveling and lawn areas, in cubic yards, cubic feet and bags.