Pump Selection Calculator

Not sure what size pump to buy? Answer the 5 questions below and click 'Calculate Pump Requirements' to find out! After you know the size of pump you need, you can visit our Choosing a Pump page to choose a specific pump! Before using this wizard, you should know how large your pond is in US Gallons. If you don't know the volume of water in your pond, use our Pond Volume Wizard to easily estimate it! If you are a pond professional, or are building a complicated pond using rigid PVC pipe, you may want to use our Advanced Head Pressure Wizardinstead.

Calculate Head Pressure of Pump

Fill in the following fields to determine your pumping requirements. Once you know the head pressure of your system, you can chose a pump that will deliver the flow rate you desire.

How much water would you like to pump in gallons per hour?

Also known as 'Static Head Pressure'. The static head pressure is the height from the surface of the pond to the top of the waterfall. For example, a 2 foot high waterfall will result in a 2’ static head. If pumping from one pond to another pond that is 10’ higher in elevation, the static head will be 10’.

Adding fittings adds in two 90 deg elbows, two 90 deg sweeps, one 22 degree elbow, two male-female adapters, one gate valve). 

0 feet of head pressure

Now What?

After running the above wizard, you should now know how many gallons per hour you need to pump, and at what head pressure you need the pump to work at. You can now take this information and refer to the charts on our Choosing a Pond Pump page to select a pump!




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