Pool Volume Calculator
Opening your pool for the summer? Calculate the exact volume in gallons to ensure proper chemical balance and maintenance.
Formula:
Volume = Area × Avg Depth
Avg Depth = (Shallow + Deep) / 2
Estimated Volume
US Gallons
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Liters
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Mathematical Principles
Pool volume calculation requires finding the cubic footage and then converting it to gallons. The key is accurately estimating the average depth.
1. Average Depth
For pools with a constant slope from shallow to deep:Avg Depth = (Shallow Depth + Deep Depth) / 2
2. Volume Formulas (Cubic Feet)
- Rectangle: Length × Width × Avg Depth
- Round: π × Radius² × Avg Depth
- Oval: π × (Length/2) × (Width/2) × Avg Depth
3. Gallon Conversion
There are approximately 7.48 US gallons in 1 cubic foot.Gallons = Cubic Feet × 7.48
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Frequently Asked Questions
Add the shallow end depth and the deep end depth, then divide by 2. For example, if shallow is 3ft and deep is 8ft: (3 + 8) / 2 = 5.5ft average depth.
Need Help?
Check out our detailed guide to understand how to use this calculator and the concepts behind it.
Pool calculation guide