Rainwater Harvesting Calculator
Find out how much rainwater your can harvest from your roof 07 5546 8571Email usRainwater Harvesting Calculator
We have created this calculator below to hep you to determine how much water you can catch each year into your rainwater tank.
Add in your Roof Size & Annual Rainfall

Find the average annual rainfall for your area: Weather Zone
For Help & Advice about Rainwater Harvesting
Check out our Articles Below
Are Rainwater Tanks Worth It?
Are Rainwater Tanks Worth It? A well maintained rainwater tank can last up to 30 years and offer a wide range of benefits. Learn why every Australian sould be investing in a water tank.
Slimline Steel Water Tanks: perfect for your new home!
A slimline water tank is a tank built to narrow dimensions, allowing water storage on properties where the more traditional round water tanks will not fit. They are perfect for homes where there is not a lot of space or there are access restrictions.Reaping the...
How Do Rainwater Tanks Work?
How Do Rainwater Tanks Work? Rainwater tanks work by storing rain when it falls. This is know as Rainwater Harvesting. The roof of a house is the most common catchment area. The gutters funnel the rainwater directly into the tank which can be place either below or above ground.
Why Stainless Steel Water Tanks are a great choice
At Select Water Tanks we firmly believe that Stainless Steel Water tanks are the best choice for a number of reasons. They’re longer-lasting, offer you fantastic value for money over their lifespan, and at the end of their life are fully recyclable – better for you, better for the planet!
A Select Stainless Steel water tank has a minimum life of 30 years. The corrosion resistance properties of Stainless Steel means the tank will not only last for a long time but it will always look brand new.
Longer Lasting
Our stainless steel tanks have no plastic and they create a low carbon emission footprint in production. They are fully recyclable. The main elements can be easily recovered and re-used.
Recyclable
Stainless Steel is a favourite material of architects and designers of beautiful homes. Your Stainless Steel tank will maintain its appearance for its natural life.
Look Great
Over its life cycle, a Stainless Steel water tank with its minimum life expectancy of 30 years, will ultimately be very cost effective.
Cost Effective
More Than Just a Manufacturer of Steel Rainwater Tanks
Select Water Tanks custom make round & slimline water tanks that are longer lasting, better looking, healthier, & better for the environment. They can be made from either grade 304, marine grade 316 stainless steel or colorbond steel.
Tailored Solutions
We find the perfect solution for your rainwater harvesting system needs.
Quality Guaranteed
Highest quality Stainless steel water tanks backed by 30 years non corrosion warranty. Our Colorbond Tanks are backed by 20-years non corrosion warranty.
Industry Leading
We are the first Australian company to design and manufacture stainless steel water tanks.
Looking for Help or Advice?
If you need any help with Steel Water Tank Pricing, Custom Sizing, Delivery Charges or anything else
Please contact us today - we are here to help.