2 calculators in this category
- Rainwater Harvesting Yield CalculatorARCSA/ASPE/ANSI 63 rainwater catchment designA roof is a rain gauge with a very large collector, and the yield it produces is almost entirely predictable: catchment area…
- Curve Number Runoff CalculatorNRCS (SCS) curve number method — TR-55 and NEH Part 630The curve number method converts a design rainfall depth into a runoff depth using a single catchment parameter, the curve…