Pool Volume Calculator
Calculate gallons from length, width, and average water depth. Set the shape factor to 1.00 for a rectangle or about 0.85 for an oval; measure water depth, not the wall height.
Pool Volume Calculator
Calculate gallons from length, width, and average water depth. Set the shape factor to 1.00 for a rectangle or about 0.85 for an oval; measure water depth, not the wall height.
Method and assumptions
Figur converts the measurements you enter into area, volume, or material quantity using standard geometry formulas.
- Surfaces and depths are uniform unless you divide the project into separate sections.
- Waste allowance, manufacturer coverage, and package sizes should be checked before purchasing.
- Site conditions and installation requirements can change the final quantity.
Sources and references
No external data source is required: this calculator uses standard geometry formulas and the measurements you enter.
Frequently asked questions
How do I find average depth?
Add the shallow and deep water depths and divide by two for a consistently sloped pool. For complex bottoms, average several depth measurements.
Is this exact enough for chemicals?
It is a useful estimate. Follow the chemical label, test the water, and make small adjustments rather than adding a full calculated dose at once.