Aquarium Tank Calculator

Smart aquarium calculator for volume, size, CO2, GH/KH & more!

Whether you're a beginner setting up your first tank or an experienced aquarist fine-tuning a complex setup, Aquarium Tank Calculator is the perfect tool to make managing your aquarium easier, smarter, and more precise.

This lightweight yet powerful app helps you calculate the exact volume, surface area, and water weight of your tank—no matter the shape. With support for ten different tank geometries, including rectangular, cylindrical, bow-front, and more, you can get accurate results in seconds. But that’s just the beginning.

Aquarium Tank Calculator also includes essential water chemistry tools to help you calculate CO₂ levels, general hardness (GH), carbonate hardness (KH), and even perform unit conversions commonly used in the aquarium hobby.

Key Features:
- Comprehensive Calculator: Determine tank volume, surface area, and water weight for ten different tank shapes.
- Water Quality Tools : Calculate CO2 levels, water hardness, and perform common unit conversions.
- Lightweight & Fast : Won’t slow down your phone or drain your battery.
- Completely Free : All features available at no cost.
- User-Friendly : Clean and intuitive interface, easy for anyone to use.
- No Root Required : Works on all Android devices, no special access needed.

Whether you're setting up a new tank or fine-tuning an existing one, Aquarium Tank Calculator helps you make informed decisions for a healthier aquatic environment.