Fish Tools & Calculators

Enter your body weight, the fish species you eat, serving size, and frequency. Get your estimated weekly mercury intake compared to the FDA/EPA safe limit — personalised for adults, pregnant women, and children.

Calculate how many fish your tank can safely support. Input your tank volume and get stocking recommendations using bioload-adjusted rules for freshwater, marine, and nano tanks. Avoid overcrowding before it happens.

For fish farmers: calculate recommended stocking density, daily feed quantity, expected yield, and harvest timeline for your pond or tank. Supports tilapia, catfish, carp, salmon, and custom species.

Enter your aquarium water readings — pH, temperature, hardness, ammonia, nitrite, nitrate — and get an instant assessment with colour-coded status indicators and advice on what to adjust for freshwater and marine tanks.