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Standard Tanks Rectangular Cube Breeder Shallow

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Corner Tanks Corner Bow Front Corner Cylinder Corner Prism

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Custom Shapes L-Shaped Trapezoid

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Standard Tanks

Rectangular Cube Breeder Shallow

Curved Tanks

Bow Front Cylinder Half Cylinder Elliptical Bullnose Round End Fish Bowl

Corner Tanks

Corner Bow Front Corner Cylinder Corner Prism

Polygon Tanks

Hexagon Flat-Back Hexagon Octagon Pentagon

Custom Shapes

L-Shaped Trapezoid

All calculators →

Unit Converter Displacement Calculator Sump Volume Calculator

Volume by Size Volume by Brand Volume Formulas Glossary Aquarium Shapes

All guides & articles Aquarium Volume FAQ Aquarium Volume in Litres Nano Aquarium Volume Guide Aquarium Glass Thickness and Volume Loss Aquarium Volume for Saltwater vs Freshwater How to Measure Volume Without Dimensions

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Free, accurate water volume calculators for every aquarium shape, plus the reference tables and guides that go with them. Results in US gallons and litres.

Volume figures are estimates based on the dimensions you enter. Always confirm your stand and floor can carry the filled weight.

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1 US gallon = 231 in³ = 3.785 L