Free pond calculators
Fountain Pump Size Calculator
Calculate the optimal pump size for your fountain based on its dimensions and desired water flow rate.
Your fountain
Enter a number greater than 0.
Enter a number greater than 0.
The highlighted line shows what each box measures. Your numbers appear on the drawing.
Your results
Enter the spray height and pipe length to see the pump size you need.
0GPHRecommended fountain pump size
- Per minute
- 0 GPM
- Spray height
- 0 ft
How we calculate this
- Pump size (GPH) = (0.002 × height × pipe length + 0.05 × height + 0.33 × pipe length) × 60.
- Measure the pipe from the pump to the nozzle, and the height from the water surface to the top of the spray.
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