An aquarium volume calculator for a corner tank converts inner length, width, and water height to litres, US gallons, and UK gallons. Substrate litres use the footprint times gravel depth. Glass thickness is not subtracted; measure inside.
A corner tank is modelled as a right triangle prism: 0.5 × length × width × height. Two 60 cm legs and 50 cm height are about 90 L.
Water volume
91.1 L
Results can be wrong. This calculator is unofficial. Figures can be incomplete, rounded, or not updated. Use them at your own risk and check a tape, datasheet, ball band, or official chart before cutting, mixing, buying, or publishing. Measure inside the glass. Hexagon length is point-to-point; a flat-to-flat measure will mis-size the tank. Bowfront extra is an ellipse, not the real curve. Limits of liability are in the terms of service.
Inner. Outer millimetres include glass thickness and overstate water.
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Publisher notes · reviewed 29 October 2026
Volume is ½ × leg × leg × height. Two 60 cm wall legs and 50 cm height are about 90 L. Bowed fronts are not this page; use bowfront.
Equipment volume is not subtracted.
60×60×50 cm corner
0.5×60×60×50 / 1000 = 90 L.
