Water Feature Pump Size Calculator

If you want to include other components like extra filters you ll need to account for them as well.

Water feature pump size calculator.

Select a pump based on flowrate and total head loss requirements. To calculate the volume of water in gallons simply multiply the length x width x average depth x 7 5. Click the update button to calculate total losses for the system. Read on to find out.

Check to make sure that the pump will fit wherever you re going to be putting it. The water horsepower or minimum power required to run the pump equals where tdh is the total dynamic head in feet q is the flow rate in gpm and sg is the specific gravity 1 for water. It is recommended that pond water is circulated at least once per hour. Larger volumes need larger pumps.

Having the correct pump is vital to a well working fountain or pond. The rule of thumb depending on just how much water you want coming out of the fountain is 100 gph per one inch diameter of fountain outlet. For example if your fountain is 30 inches tall find a pump with a maximum lift of 45 inches or more. Smaller pumps typically measure flow in gallons per hour gph and larger pumps typically use gallons per minute gpm.

For more noise and white water from your falls increase the flow rate to 200 gallons per hour per inch of waterfall width. A simple calculation to know what the water volume of the fountain or pond is to calculate the length multiplied by the width and times the depth times 7 43 gallons per cubic foot or l x w x d x 7 43 gallons cubic foot. Enter the number of pipe fittings elbows tees. Larger capacity pumps are rated by horsepower hp.

Enter total pumping lift or height feet water is pumped vertically. For simplicity we ll stick to setups where the water feature is the only thing connected to the pump. The size of your pump directly affects the appearance of water features like fountains and waterfalls. This is the size of the actual outlet on the pump.

Head loss filters heater chiller skimmer uv etc. Waterfall flow rates for waterfalls and streams your pump should pump at least 100 gallons per hour for every inch wide the waterfall is. To find the pump look at the chart under the column titled pump enter the model number of the pump in the search box located on our page s main menu to the left. But how do you figure out what size your water feature needs.

Water feature pumps are typically high flow and low pressure. To determine the size pond pump first you need to calculate the volume of water in the pond. Fountain waterfall pump selector calculator use this tool will recommend the correct easy pro pond or fountain pump for your application.