Helps calculate aquarium volume, stocking levels, or heater/filter requirements.
Start with your values, or try a preset.
Enter Tank Length, Tank Width, Water Depth, Average Fish Size, Gallons per Inch of Fish, and Heater Watts per Gallon in the units shown.
Read Maximum Fish Length (inches), Tank Volume (Cubic Inches), Tank Volume (Gallons), Recommended Heater Wattage, and Maximum Fish Count in the results panel. Results update as you change the inputs.
Choose a preset to load an example, then adjust the values for your situation.
See the inputs and their calculated results.
Tank Length: 30 inches; Tank Width: 12 inches; Water Depth: 12 inches; Average Fish Size: 2 inches; Gallons per Inch of Fish: 1 gallons/inch; Heater Watts per Gallon: 5 watts/gallon
Maximum Fish Length (inches): 24 inches; Tank Volume (Cubic Inches): 4,320 cubic inches; Tank Volume (Gallons): 18.7012987 gallons; Recommended Heater Wattage: 93.50649351 watts; Maximum Fish Count: 9.350649351 fish
Tank Length: 20 inches; Tank Width: 10 inches; Water Depth: 12 inches; Average Fish Size: 2 inches; Gallons per Inch of Fish: 1 gallons/inch; Heater Watts per Gallon: 5 watts/gallon
Maximum Fish Length (inches): 14 inches; Tank Volume (Cubic Inches): 2,400 cubic inches; Tank Volume (Gallons): 10.38961039 gallons; Recommended Heater Wattage: 51.94805195 watts; Maximum Fish Count: 5.194805195 fish
Tank Length: 48 inches; Tank Width: 13 inches; Water Depth: 20 inches; Average Fish Size: 3 inches; Gallons per Inch of Fish: 1 gallons/inch; Heater Watts per Gallon: 5 watts/gallon
Maximum Fish Length (inches): 42 inches; Tank Volume (Cubic Inches): 12,480 cubic inches; Tank Volume (Gallons): 54.02597403 gallons; Recommended Heater Wattage: 270.1298701 watts; Maximum Fish Count: 18.00865801 fish
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