basic

Pool Pump Runtime by Volume Calculator

turnover_min = volume_gal / pump_gpm; runtime = turnovers · turnover_min.

Compute the daily pool pump runtime needed to achieve a target number of complete water turnovers, from the pool volume and pump flow rate. One turnover ≈ filtering the entire pool volume; residential pools target 1-2 turnovers per day. Reports turnover time and total runtime.

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

gal
gal/min

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

runtime = turnovers · volume / flow.

In depth

Compute the daily pool pump runtime needed to achieve a target number of complete water turnovers, from the pool volume and pump flow rate. One turnover ≈ filtering the entire pool volume; residential pools target 1-2 turnovers per day. Reports turnover time and total runtime.