Pool Volume Calculator
Estimate rectangular swimming pool water volume.
How to Use the Pool Volume Calculator
Enter the pool dimensions and average depth to estimate water volume.
Practical Example
A rectangular pool 8 m long, 4 m wide and 1.5 m deep holds about 48 m³ of water, or roughly 48,000 liters.
Factors That Affect the Result
Sloped floors, steps, benches, rounded corners, irregular shapes and changing depth can make actual capacity differ from a simple geometric estimate.
Frequently Asked Questions
Can I use average depth?
Yes. Average depth gives a practical estimate for pools with a sloped floor.
Does the calculator include steps?
Not unless their volume is included in your measurements.
Can I convert the result to liters?
Yes. One cubic meter equals 1,000 liters.
Related Tools
Pool Volume Estimation
Enter the pool’s dimensions using the shape that best matches the basin. Rectangular, circular and oval pools use different formulas, and sloped bottoms require an average-depth estimate rather than a single depth. Accurate volume matters for filling time, chemical dosing and filtration planning. Irregular steps, benches and curved walls can make the real capacity differ from a simple geometric model, so treat the result as a practical estimate rather than an exact certified volume.