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Frequently Asked Questions

What defines a cube aquarium?

A true cube has equal Length, Width, and Height. Many 'cube' tanks are actually slightly rectangular, so check your dimensions carefully.

More Aquarium Tools

Aquarium Volume Calculator (Gallons & Liters)

Calculate the water volume of your fish tank in US Gallons, UK Gallons, and Liters. Supports Rectangle, Cube, Cylinder, Bowfront, and Hexagon shapes.

Bowfront Aquarium Volume Calculator

Calculate gallons and liters for Bowfront (curved front) aquariums. Accurate volume estimation for unique tank shapes.

Cylinder Aquarium Volume Calculator

Determine the water volume of cylindrical or column fish tanks. Calculate gallons from diameter and height.

Hexagon Aquarium Volume Calculator

Calculate the volume of a 6-sided hexagonal fish tank. Supports flat-back and regular hexagon shapes.