Pool Maintenance Cost Estimator

Estimate your annual swimming pool maintenance costs based on pool size, equipment, and local utility rates. This calculator covers chemical treatments, pump electricity, water top-off, routine equipment replacement, and optional professional service fees — giving you a comprehensive picture of true ownership costs.

Pool Volume (gallons)

Pump Motor Size (HP)

Pump Run Time (hours/day)

Electricity Rate ($/kWh)

Water Rate ($/1,000 gallons)

Pool Sanitization Type

Pool Surface Type

Professional Service Visits (per year)

Cost per Service Visit ($)

Pool Equipment Age (years)

Enter your pool details above and click Calculate.

Formulas Used

1. Electricity Cost
kWh/day = (HP × 0.746) ÷ motor_efficiency (0.85) × hours/day
Annual Cost = kWh/day × 365 × $/kWh

2. Chemical Cost
Annual Cost = (Pool Volume ÷ 1,000) × chemical_rate × 12 months
Rates: Chlorine $1.00, Saltwater $0.60, Mineral/Ozone $0.75 per 1,000 gal/month

3. Water Replacement Cost
Surface Area (ft²) = Pool Volume ÷ 5 ft avg depth
Annual Loss (gal) = SA × 1.5 in/wk × 0.6234 gal/ft²/in × 52 wks × 1.10 (backwash)
Annual Cost = (Annual Loss ÷ 1,000) × $/1,000 gal

4. Equipment Depreciation
Annual Cost = Σ (Replacement Cost ÷ Lifespan) × Age Factor
Age Factor = min(1 + equipment_age ÷ 20, 1.5)

5. Service Cost
Annual Cost = Number of Visits × Cost per Visit

6. Total Annual Cost
Total = Electricity + Chemicals + Water + Equipment + Service + Miscellaneous

Assumptions

Pump motor efficiency of 85% (NEMA standard for single-speed motors).
Pool operated year-round; adjust electricity cost proportionally for seasonal pools.
Average pool depth of 5 feet used to estimate surface area from volume.
Evaporation/splash loss of 1.5 inches per week (APSP industry average for outdoor pools).
An additional 10% water loss is added for filter backwashing and cleaning.
Chemical rates are based on APSP and Pool & Spa News industry benchmarks.
Saltwater systems reduce chemical costs ~40%; mineral/ozone systems ~25%.
Equipment lifespans: pump 10 yrs ($800), filter 12 yrs ($600), heater 8 yrs ($1,500), salt cell 5 yrs ($700), vinyl liner 10 yrs ($4,000).
Age factor increases depreciation cost for older equipment to reflect higher near-term replacement probability.
Miscellaneous costs cover test kits, cleaning brushes, skimmer baskets, and minor repairs.
Costs do not include major renovations, resurfacing, or structural repairs.
Local labor rates, climate, and bather load will affect actual costs.

In the network

Network

Nearby

Ocala Pool Repair