Pool Volume Calculator (Gallons & Liters)
Pool volume calculator: how many gallons or liters a rectangular, round or oval pool holds, using the average depth.
V = area × average depth
How to use this calculator
- Type your input in the box.
- The result updates as you type.
- Use “Copy result” or “Copy link” to share it.
Volume = surface area × average depth, where average depth = (shallow + deep) ÷ 2. Round area = π × diameter² ÷ 4.
Frequently asked questions
32 × 16 ft rectangle, 3.5 to 6 ft deep?
About 18,190 gallons (68.9 m³).
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