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Rainwater Harvesting Calculator
| Roof Catchment Area | OR | Total Area | Annual Rainfall | Total Water Harvested | ||||
| m(Length) | X | m(Width) | = | m2 | x | mm | = | Litres |
For an annual rainfall chart of Australia click here.
| Roof Catchment Area | OR | Total Area | Annual Rainfall | Total Water Harvested | ||||
| m(Length) | X | m(Width) | = | m2 | x | mm | = | Litres |
For an annual rainfall chart of Australia click here.