Is this electricity formula exact?
No. Pump efficiency, speed settings, plumbing, and utility billing can change actual usage.
Last updated July 21, 2026
Pool Electricity Cost Calculator
Estimate pool pump electricity cost with a simplified horsepower, runtime, rate, and days formula.
Quick answer
Monthly pool pump electricity cost depends on pump horsepower, daily runtime, days used, and the electricity price per kWh. This calculator converts horsepower to a simplified energy estimate for budgeting.
Pool electricity cost calculator
Estimated monthly electricity cost
Low
$44
Typical
$48
High
$53
Estimated monthly kWh
Low
241.7
Typical
268.6
High
295.4
kWh
Main cost factors
- - 1.5 HP pump
- - 8 hours per day
- - $0.18 per kWh
- - 30 days per month
This simplified estimate uses horsepower x 0.746 x hours x days. Actual pump efficiency can vary.
Example monthly electricity ranges
| Item | Low | Typical | High |
|---|---|---|---|
| 1 HP, 8 hours/day, $0.18/kWh | $29 | $32 | $35 |
| 1.5 HP, 8 hours/day, $0.18/kWh | $44 | $48 | $53 |
| 2 HP, 8 hours/day, $0.18/kWh | $58 | $64 | $71 |
What may be included
- - Horsepower-to-kWh conversion
- - Daily runtime and days-per-month inputs
- - User-entered electricity rate
- - Low, typical, and high simplified monthly range
What is usually not included
- - Measured pump efficiency or variable-speed curves
- - Other pool equipment or household electricity
- - Utility taxes, demand charges, or tiered billing
- - Electrical setup or operating instructions
How monthly pool pump electricity cost is estimated
The calculator multiplies horsepower by 0.746, hours per day, and days per month to estimate kWh, then multiplies by the electricity rate. The low and high values provide a modest planning band around that simplified result.
What the simplified formula cannot capture
Actual consumption can differ because motor efficiency, variable-speed settings, hydraulic conditions, controls, utility billing, and other connected equipment are not measured by this calculator.
What affects the cost
- - Pump horsepower
- - Hours per day
- - Days used per month
- - Electricity rate per kWh
- - Motor efficiency and speed
- - Utility billing structure
Compare operating-cost scenarios
Use the estimator to compare budget scenarios with the values shown on your equipment information and electric bill. A qualified professional should evaluate equipment changes or electrical work.
How to use this estimate
- - Use the electricity rate from a recent bill
- - Keep pump electricity separate from heaters and other equipment
- - Compare estimated cost with actual utility usage over time
- - Treat equipment efficiency claims as quote-specific
Methodology for this estimate
The electricity estimate uses horsepower x 0.746 x hours per day x days per month, then multiplies by the entered electricity rate. Inputs are limited to practical ranges, and the result remains a simplified planning estimate rather than a meter reading.
Important disclaimer: Estimates are for planning only and are not contractor quotes. Pool Cost Planner does not provide chemical handling, mixing, dosing, electrical, gas, structural, or repair instructions. For safety issues, code questions, repairs, or winterizing in freezing climates, contact a qualified pool professional.
Related calculators
Pool Cost Calculator
Estimate monthly and annual pool costs, including maintenance, cleaning, electricity, chemicals, repairs, opening, closing, and replacement expenses.
Monthly Pool Service Cost Calculator
Estimate monthly pool service costs by state, pool size, pool type, and visit frequency. Compare monthly, biweekly, and weekly service plans.
Pool Equipment Replacement Cost
Estimate the cost to replace common pool equipment, including pumps, filters, heaters, skimmers, lights, and related pool system components.
Pool Pump Repair Cost Calculator
Estimate pool pump repair costs by pool size, pool type, cost scope, and urgency. Compare pump repair, replacement, and service-call ranges.
Pool Heating Cost Calculator
Estimate monthly pool heating cost from heater input, runtime, operating days, and electricity or gas rates. Compare electric heat pump and gas heater examples.
Pool Pump Replacement Cost Calculator
Estimate pool pump replacement costs by pool size, pool type, cost scope, and timing. Compare repair ranges, cost factors, and quote inclusions.
FAQ
Where should I find my electricity rate?
Use the average price per kWh from your electric bill for a practical planning estimate.
Does this include a pool heater?
No. It estimates pump electricity only. Heater fuel or electricity and other equipment should be budgeted separately.
Why does actual pump cost differ from the estimate?
Motor efficiency, variable speed, controls, hydraulic conditions, billing tiers, and actual runtime can change measured use.