Test calculators Home 5 Test calculators Water Conservation Calculator Toilet Type: Older (3.5+ gallons/flush) Mid-Efficiency (1.6 gpf) High-Efficiency (1.28 gpf or less) Average Shower Time: Over 10 minutes 5-10 minutes Under 5 minutes Irrigation Frequency: Daily 2–3 times per week Only when needed Calculate Soil Calculator Estimate the amount of soil you need by entering your space's dimensions below. Length (ft): Width (ft): Depth (in): Calculate Results Cubic Feet: Cubic Yards: Soil Bags (0.75 cu ft):