Pool Volume Calculator

Calculate your pool's water volume in gallons. Knowing your pool volume is essential for proper chemical dosing.

Enter dimensions or volume directly?

Pool Shape

Length (ft)

Width (ft)

Shallow End Depth (ft)

Deep End Depth (ft)

Estimated Pool Volume

20.0K gallons

75.7K liters

Average Depth: 5.5 ft

Why Pool Volume Matters

Knowing your exact pool volume is the foundation of proper pool chemistry. All chemical dosages are calculated based on water volume - adding too much can be dangerous, while too little won't be effective.

Volume Formulas

Rectangular: Length x Width x Average Depth x 7.5
Circular: Diameter² x Average Depth x 5.9
Oval: Length x Width x Average Depth x 5.9
Kidney: (A + B) x Length x Average Depth x 3.38