Soil and mulch calculatorVolume and number of bags of soil, compost or mulch for a bed.Open →Gravel calculatorVolume and weight of gravel for a path or driveway.Open →Plant spacing calculatorHow many plants fit in a bed at a given spacing, in a square grid or a triangular (offset) pattern.Open →Pool volume calculatorWater volume of a rectangular or round pool in cubic metres and litres.Open →Aquarium volume calculatorVolume of a rectangular aquarium in litres, the water it actually holds, and its weight.Open →Rainwater harvest calculatorHow much rainwater a roof collects per year and per month.Open →