How utility pump GPH sizing works
Volume÷time, head clearance, and NO_MATCH.
Utility / trash pump sizing
Utility pump GPH calculator
Enter gallons, drain hours, and lift head. Get required GPH, then a 2,000 / 4,000 / 5,000 GPH class — or NO_MATCH. Nameplate flow still falls with head.
Utility / trash pump sizing
Result
Required GPH = volume ÷ hours. Match smallest class with GPH ≥ demand and head ≥ lift.
From measurement to decision
Open the full calculator
Same tool with room for examples.
2k / 4k / 5k GPH classes
When each class fits — and when none do.
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