Rainwater Harvesting
Calculate water collection potential from your roof. Enter Roof Area (sq ft) and Annual Rainfall (inches) to get Potential Collection. Free, no signup — runs in your brow
Parameters
Enter the required details below
Ready to Calculate
Enter your parameters and click calculate to see the results here.
How to Use
- Enter Roof Area (sq ft).
- Enter Annual Rainfall (inches).
- Click Calculate to see Potential Collection.
- Check the result. Use Reset if you want to try different numbers.
About This Calculator
Calculate water collection potential from your roof. This tool is in the Daily Life & Lifestyle collection on Qalculators. Enter Roof Area (sq ft) and Annual Rainfall (inches) to calculate Potential Collection. Results stay in your browser unless you copy them.
Frequently asked questions
What does Rainwater Harvesting calculate?+
Calculate water collection potential from your roof. You enter Roof Area (sq ft) and Annual Rainfall (inches) and receive Potential Collection.
What information do I need for Rainwater Harvesting?+
You need Roof Area (sq ft) and Annual Rainfall (inches). Optional fields can stay at their defaults.
Is Rainwater Harvesting free to use?+
Yes. Rainwater Harvesting is free and does not require an account. The calculation runs in your browser.
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