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.

m 2
litres

Where will you use rainwater?

Describe where you will use rainwater in your business. Leave a section blank if you do not intend to supply rainwater to that area.

1. Toilet

2. Irrigation

L/min

Enter information about other water using processes in your business. Use section 3 for processes with fixed water use and section 4 when the water use varies over the year, eg cooling towers

3. Other water use (fixed)

kL/day

4. Other water use (variable)

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