Contact

Found a measurement that does not look right, or a conversion you think is off? That is worth reporting and we would rather hear about it than not. Email hello@fish-tank-calculator.pages.dev and include the dimensions you entered, the units you were using and the figure you expected to see.

If you keep a species whose needs the one-inch guideline handles badly, or you would like support for bow-front or cylindrical tanks, say so. Requests that would help other fishkeepers get priority over cosmetic ones.

We cannot diagnose sick fish, advise on whether one species will get along with another, or recommend specific equipment. Those questions belong with a local aquatics shop or an established fishkeeping forum, where people can ask you the follow-up questions that any honest answer depends on.