Sump Pump Capacity Calculator
Estimate the pumping rate needed to remove incoming sump water within a selected time.
Estimated result
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How this calculator works
Estimate the pumping rate needed to remove incoming sump water within a selected time.
Required pump rate = gallons ÷ minutes × reserve factor
Planning note
Results are estimates. Confirm local plumbing codes, product specifications and licensed-professional requirements before construction or safety-critical work.