Aquarium Calculator
Use Fishician's free Aquarium Calculator to estimate water volume and substrate amounts from the measurements you enter.
What this tool does
- Estimate aquarium volume from entered dimensions.
- Estimate substrate quantities for a planned depth.
- Subtract substrate and decor displacement to estimate working water volume.
Important boundary
Measurements and actual filled water volume can differ because of substrate, decor, displacement, and manufacturer tolerances.
Browse all public aquarium tools. The interactive Aquarium Calculator loads automatically when JavaScript is available.