Fountain Pump Size Calculator
Get an instant estimate for your fountain pump project. Enter your fountain height, water volume, and desired pump type below to find your required GPH and cost.
1. Water Feature Specs
* Head height is the vertical distance the pump must push water from its resting place to the top spout.
Estimated Project Cost
Calculated based on your inputs
Cost Breakdown
Pump Size Requirements
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What is a Fountain Pump Size Calculator?
A Fountain Pump Size Calculator is a fast tool that helps you determine the exact Gallons Per Hour (GPH) required to run your water feature optimally, preventing weak trickles or overflowing splashing. Just enter your fountain's height, water capacity, and feature preferences to instantly get a highly accurate GPH rating and budget projection.
How Our Calculator Works
We process your inputs using standard hydraulic calculations to give you the most accurate pump size and cost estimate possible.
GPH Calculation
We calculate the minimum turnover rate needed based on volume, then factor in the vertical "head height" resistance to find your required GPH.
Pump Pricing
Costs are generated dynamically based on the sheer size of the pump needed and the style (submersible vs. external) you choose.
Labor & Extras
We add in standard plumbing/electrical labor rates if you select professional installation, plus flat costs for your selected features.
Factors That Affect Fountain Pump Size
- Fountain size and desired water flow rate
- Height of the fountain or water features
- Type of water stream, such as gentle flow or high spray
- Pipe size and length from pump to the fountain
- Desired pressure for the water stream or cascade effect
- Pump power, including wattage and energy efficiency
Formulas Used in the Pump Calculator
1. Required Flow (GPH)
GPH = (Volume Ă— Flow Preference) + (Height Ă— 100)
Calculates water turnover rate while compensating for the vertical distance water must be pushed.
2. Pump Unit Cost
Base Cost = GPH Ă— Pump Type Multiplier
Heavier duty external and solar pumps cost more per GPH than standard submersible units.
3. Final Total Estimate
Total Cost = Pump Cost + Pro Labor + Flat Add-ons
The final price combining the pump itself with professional installation factors and accessories like lighting.
Pump Selection & Installation Costs
Choosing the right pump depends on the water flow, height, and pressure needed for your fountain. A larger fountain or high waterfall needs a more powerful pump to ensure consistent flow.
The installation costs vary depending on pump size, complexity, and location of the water feature. More complex installations, including underground pipes and electrical work, will add to the overall cost.
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Frequently Asked Questions
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