Puget Sound Ponds
Pond Volume Calculator
Get an accurate gallon count for your pond in seconds - then we'll point you to a filter and pump sized to match.
For square or rectangular ponds. Length × Width × Depth × 7.5 = Total Gallons
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For round ponds and basins. 3.14 × Radius² × Depth × 7.5 = Gallons
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For freeform or naturalistic ponds - take 3–4 measurements across the widest points and average them. Avg Length × Avg Width × Avg Depth × 7.5 = Gallons
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Tip: measure depth at 3–4 spots and average for the truest number.
Please enter a value greater than 0 in every field.
Estimated Pond Volume
0 US Gallons
Light stocking
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Suggested filter
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Pump (1×/hr)
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