Aquarium Stocking Calculator

Calculate how many fish your aquarium can support. Get stocking recommendations based on tank size, filtration, and fish species.

How to Calculate Aquarium Stocking

  1. 1 Enter your tank volume in gallons or liters
  2. 2 Select tank type and filtration level
  3. 3 Add fish species with their sizes and quantities
  4. 4 Review the stocking analysis and recommendations
  5. 5 Adjust fish selections to achieve optimal stocking

🔒 Instant results, faster than AI. No signup. 100% private.

Last updated: January 15, 2026 · v2.1