Pool Volume Calculator
Calculate the volume of water in your pool in gallons or liters. Supports rectangular, circular, and oval shapes.
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How to use this tool?
How to Use the Pool Volume Calculator
- Select Pool Shape: Choose Rectangular, Circular, or Oval from the dropdown.
- Enter Dimensions (in feet):
- For Rectangular: Length, Width, and Average Depth.
- For Circular: Diameter and Average Depth.
- For Oval: Length, Width, and Average Depth.
- Choose Output Unit: Select Gallons or Liters.
- Calculate: Click the Calculate Volume button.
- Read Results: The volume appears below, along with the formula used and your inputs.
Note: All dimensions must be in feet. The calculator converts cubic feet to gallons (1 ft³ = 7.48 gal) or liters (1 ft³ = 28.32 L).
Previous Results
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Frequently Asked Questions
For a pool with a constant depth, use that depth. For a pool with a shallow and deep end, add the shallow depth and deep depth together and divide by 2.
Manufacturer specs may be nominal. Variations in construction and measurement accuracy can cause differences. Our calculator uses standard geometric formulas.
Yes, as long as you measure the dimensions accurately. For circular above-ground pools, use the diameter and depth.