Water tank calculator

Whether you’re wanting to save on costs, water, or both, it’s important to understand how much water common household appliances use. From essentials such as showers and toilets to pools and spas, many appliances in, around and for your home can be connected to a rainwater tank. These usage estimates below will help you choose the right tank size for your space, whether you live in a house, townhouse, unit or flat.

Household Water Uses

Community spaces such as sports grounds, parks and public facilities often have higher and more varied water demands. Rainwater can be used to supply irrigation systems, outdoor showers, toilets and more. The following usage estimates aim to help you find the best sized tank that supports both day-to-day use and peak seasonal demand for your local community, business or property.

Community Water Uses

Please note these estimated water usage figures on the above tables are based off average estimates and can vary depending on the specific model of the appliance, usage habits, and water efficiency ratings. Bushmans recommends always using a filter for water consumption.