Pool Backwash Water Calculator
Calculate backwash water volume from user-supplied flow rate and duration.
A QUICK WALKTHROUGH
How to use this tool
- Enter measured or specified values in the displayed units.
- Review the assumptions and excluded factors.
- Calculate locally in your browser.
Formula and scope
Volume = backwash flow × duration. No automatic water-treatment or filter-cleaning recommendation. This does not certify code compliance, safety, equipment performance, or a link budget.
Privacy
Inputs are calculated locally and are not uploaded.
GOOD TO KNOW
Common questions
Does this approve equipment sizing?
No. It applies the displayed arithmetic only.