Pond Volume Calculator
Same template as pool: L × W × avg-depth × 7.48 gallons. For garden ponds.
Result
Pond volume
1,795 gallons
240 ft³.
- Volume (ft³)240
- Gallons1,795
- Liters6,796
- Pump turnover (1×/hr)1,795 GPH pump
- Fish capacity (~1 inch fish per 10 gal)180 inches of fish
Step-by-step
- V = 12 × 8 × 2.5 = 240 ft³ = 1,795 gal.
How to use this calculator
- Enter L × W × avg-depth.
- Read gallons + pump turnover and fish capacity.
About this calculator
Pond volume drives pump sizing (turnover at least once per hour), fish stocking density (rule of thumb: 1 inch of fish per 10 gallons), and chemical treatment dosing.
Frequently asked
Once per hour for ornamental ponds. Twice per hour for koi (heavy bio-load).
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