Aquarium Stocking Calculator

Calculate safe fish stocking levels based on tank size and setup.

Tank Dimensions

Tank Setup

Maximum Stocking Level

30"

Total inches of fish for 28.1 gallon freshwater tank

Tank Specifications

Volume (Gallons)28.1 gal
Volume (Liters)106.2 L
Surface Area360 sq in

Fish Recommendations

Small Fish (1-2")Up to 20
Medium Fish (3-4")Up to 10
Large Fish (5-6")Up to 5
Bottom DwellersUp to 3
Schooling Fish15+
Centerpiece Fish1

Important Notes:

  • These are maximum levels - understocking is always safer
  • Research specific fish requirements before purchasing
  • Add fish gradually over weeks, not all at once
  • Monitor water parameters regularly
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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.