CalculynQuick answer
A 32 × 16 ft pool with a 5 ft average depth holds about 19,149 gallons.
How it works
Work out the pool's volume in cubic feet, then multiply by 7.48 gallons per cubic foot. For a sloped floor, use the average of the shallow and deep ends.
Formula
Rectangle: L × W × depth × 7.48 · Round: π × (D ÷ 2)² × depth × 7.48
Assumptions & limitations
- Results are rounded for display.
Frequently asked questions
Why do I need the volume?
Chemical doses, heaters and pumps are all sized by how many gallons the pool holds.