Sump Pump Sizing Calculator
Sump Pump Sizing
Determine sump pump capacity needed for your pit.
Formula
GPH = Pit Area x Rise Rate / 231 x 60 x Head Factor
Frequently Asked Questions
What size sump pump do I need?
Most homes need a pump rated at 2000 to 3000 GPH.
Should I get a backup sump pump?
A battery backup pump is recommended for power outage protection.