Pool calculators.
Estimate geometric liquid capacity with explicit depth and displacement. No structural or chemical-treatment recommendations are provided.
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Pool Water Volume Calculator
Estimate water for a specified rectangular, round or elliptical pool with linear depth variation.
Open calculatorPoolRectangular Pool Liner Surface Calculator
Measure the floor and four wall surfaces of a rectangular constant-depth shell for a supplier quote.
Open calculatorPoolPool Fill Time Calculator
Estimate fill duration from a remaining volume and a measured delivered rate with scheduled filling hours.
Open calculatorPoolTimed Tank Volume Ledger Calculator
Track tank volume through entered intervals with measured inflow and outflow, separating overflow and unmet draw volume.
Open calculatorConnect these calculations
Measure and check your purchase assumptions
Do not carry tank overflow into later draw intervals
Why can total inflow minus total outflow miss an empty-tank interval?
Read guideguideKeep pool lining surface separate from water capacity
Why does a volume estimate not give a liner purchase or fabrication pattern?
Read guideguideDistinguish fill running time from elapsed days
How do scheduled filling hours affect elapsed duration?
Read guide