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Calculated in your browser — we never store your dataIncludes standard waste factors

Common Pool Sizes

12x24 ft (4 ft deep)~8,600 gal
16x32 ft (4-8 ft)~23,000 gal
18 ft round (4 ft)~7,600 gal
24 ft round (4 ft)~13,500 gal

Pool Maintenance Tips

  • • Test water chemistry 2-3 times per week during swimming season
  • • Maintain pH between 7.2 and 7.8
  • • Keep chlorine levels between 1-3 ppm
  • • Run filter pump at least 8-12 hours daily
  • • Shock pool weekly or after heavy use
Sources & Methodology
Formula: Gallons = Length × Width × Avg Depth × 7.5

Pool volume calculation

Source: Standard pool volume formula

7.5 gallons per cubic foot of water

Estimate Your Project Cost

See pool installation costs for your size →

Pool Installation Cost Guide on CostOnce.com