Pool / Tub Fill Time

How long to fill a pool, tub, or tank — and the water bill.

Volume (gallons)

Flow rate (gal/min)

Water $/100 gal

Fill time

53 min (0.89 h)

Water cost

$6.00

Note

Hot-tub drain-and-refill every 3–4 months; city water chemistry matters.

About this tool

Inputs: volume, flow rate, water cost per 100 gal. Outputs: minutes, hours, water cost. Targets r/pools and r/HomeImprovement.

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