Landscaping Calculators
Calculate gravel, mulch and topsoil and other landscaping calculations.
All Landscaping Calculators
Gravel CalculatorCalculate the volume and weight of gravel needed to cover an area at a given depth.Mulch CalculatorCalculate the volume and weight of mulch needed to cover a garden bed at a given depth.Topsoil CalculatorCalculate the volume and weight of topsoil needed to cover an area at a given depth.
Landscaping Guides
Gravel Base and Rebar Grid for a Concrete Slab: One Project, Two Materials
The same 6m × 5m slab dimensions feed both the gravel calculator and the rebar calculator, producing the real gravel base and reinforcement grid quantities for one real project.
Read guideHow Much Gravel Do You Need? Driveway and Path Worked Examples
Gravel quantity comes down to one formula — length times width times depth, converted to weight with a density figure — but a driveway base and a garden path need very different depths and produce very different order sizes. Two worked examples show how the numbers move.
Read guide