Oval / Rectangular Pond

Average Length in feet

Average Width in feet

Average Depth in feet

Estimated Water Volume (gallons)

Calculate Water Volume

Round Pond

Diameter in feet

Average Depth in feet

Estimated Water Volume (gallons)

Calculate Water Volume

Pond Liner Size

Max Length in feet

Max Width in feet

Max Depth in feet

Liner Length (feet)

Liner Width (feet)

Calculate Liner Size

Underlayment Calculator

Pond Length

Pond Width

Pond Depth

Underlayment Length

Underlayment Width

Calculate Underlayment Size

Pump Head Pressure

Total rise above water level, in feet

Hose length in feet

Pressure (ft)

Number of angled fittings & reducers

Calculate Pump Head

Pump Head Pressure (ft)

Pump Cost/Usage

This calculator assumes your pump runs all day and night, as is best for your pond's health and the longevity of your pump.

Pump rating (watts)

Electric cost per kW/hr

Calculate Electric Cost

Cost (per day)

Pump Flow Rate

GPH needed after accounting for head pressure

Spillway/Stream Width (inches)

Spillway/Stream Depth (inches)

Calculate Pump Flow Rate

Required GPH