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Tank Water Volume Calculator

Enter the outside dimensions of your aquarium. We calculate the actual water volume after subtracting glass thickness, substrate, and the unfilled portion at the top.

Length (cm)

Width (cm)

Height (cm)

Glass (cm)

Substrate (cm)

Fill %

Glass thickness is subtracted from all sides. Substrate is measured from the bottom of the tank and reduces water depth.

Enter tank dimensions to see the results.