Calculate pond volume in cubic feet and gallons for fish stocking, filter sizing, and chemical dosing.
Pond Volume
— gallons
Cubic feet times 7.48.Usage Tip
Stock conservatively, around one inch of fish per ten gallons, and size the filter to the full volume with room to spare.
THE MATH
cubic feet = length × width × depth
gallons = cubic feet × 7.48
gallons = cubic feet × 7.48
Pond volume is length times width times average depth in cubic feet, and each cubic foot holds about 7.48 gallons. Gallons drive fish stocking, filter sizing, and dosing.
Enter the length, width, and average depth in feet.
For an irregular pond, use average dimensions; this assumes a roughly rectangular shape.
For an irregular pond, use average dimensions; this assumes a roughly rectangular shape.