Pool Volume Calculator
Use dimensions for standard shapes and practical kidney or freeform estimates, or back-calculate volume from a measured FC rise when the pool, spa, or attached water body is irregular.
Calculator mode
Units
Shape
Enter the same number for both depths if your pool stays about the same depth all the way across. Kidney and freeform shapes are practical estimates, not survey-grade geometry.
Educational guidance only. Verify labels, manuals, local code, and site conditions before acting. Stop for electrical, gas, structural, drain, drowning, injury, emergency, or chemical-mixing risk.