Professional tools for aquarium hobbyists
Accurate calculations for volume, dosing, equipment sizing, and more. Built by aquarists, for aquarists.
Calculate exact water volume for your aquarium. Essential for accurate medication dosing, water treatments, and equipment sizing. Supports rectangular, bow front, cylinder, and corner tanks.
Proper dosing prevents overdosing that can harm fish or underdosing that won't cure them.
Know the total weight to ensure your floor and stand can safely support your tank.
Size heaters, filters, and pumps correctly based on your actual water volume.