Rainwater tank calculator
Calculate how much water a rainwater tank could save your business and what size tank is the most suitable for your needs.
Rainwater tank calculator results
Summary
You selected a tank size of xxx lites
This sized tank could provide up to xxx of the rainwater you need each day.
Some additional tank sizes are displayed in the chart below to help you select the most suitable rainwater tank for your business
Interpreting the results
The range of tank sizes shown is based on the water needs of your business. The benefits may reduce when you reach a certain tank size.
The best tank size will be the one that balances increased water savings with cost effectiveness. Use the information in the table above with quotations from your rainwater tank supplier to determine the best tank for your business.
Water savings depend on rainfall, roof area and tank size. If your water needs are not being met by any of the tank sizes shown, your roof area may be too small or the rainfall in your area too low.
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Toilets67.5 L/day
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Irrigation101.12 L/day
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Other (fixed)1052.03 Kl/day
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Other (variable)1052.03 Kl/day
Rainfall information
Five years of rainfall data (2005 to 2009) from the xxx was used in the calculations.