Code tool

Pool Turnover Rate Calculator

Calculate nominal pool turnover time from pool volume and circulation flow rate.

In-browser processingNo account requiredPrivacy details ↗

Turnover time = pool volume ÷ flow rate. This is a hydraulic ratio, not a sanitation or code compliance assessment.

Nominal turnover time (h):

A QUICK WALKTHROUGH

How to use this tool

  1. Enter values in the stated units.
  2. Review the simplified model and exclusions.
  3. Calculate locally; confirm rules and equipment limits separately.

Formula and limits

Turnover time = pool volume ÷ flow rate. This is a hydraulic ratio, not a sanitation or code compliance assessment. This does not determine a safe or code-compliant installation.

Privacy

Inputs are calculated locally and are not uploaded.

GOOD TO KNOW

Common questions

Does this certify elevator or pool design?

No. It is an arithmetic estimate using only values you supply.