Home and garden calculators: Rainwater Harvesting Calculator by HABIB posted on February 21, 2025 0 Rainwater Harvesting CalculatorRoof Area sq ftsq macrehectareRainfall Amount inchesmillimetersRunoff Coefficient (between 0 and 1)Water Harvested gallons / liters Previous article Irrigation Calculator Next article Birdsmouth Cut Calculator Related posts Home and garden calculators: Pergola Size Calculator February 17, 2025 Home and garden calculators: Greenhouse Size Calculator February 15, 2025 Home and garden calculators: Compost Calculator February 13, 2025