basic

Swimming Pool Fill Time Calculator

Hours = pool gallons / hose flow rate.

Estimate how long it will take to fill a swimming pool from a garden hose, given the pool volume in gallons and the hose flow rate in gallons per minute.

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

Hours = volume_gal / (flow_gpm · 60)

In depth

Estimate how long it will take to fill a swimming pool from a garden hose, given the pool volume in gallons and the hose flow rate in gallons per minute.