Tank Volume & Stocking Calculator
Convert your tank dimensions to gallons and get a realistic stocking estimate for freshwater community fish, cichlids, or reef fish.
Inside length of the tank, glass to glass
Estimates only. Actual stocking depends on filtration, water-change schedule, species behavior, and tank maturity. Always confirm with our free in-store consultation before adding livestock.
Need help picking livestock?
Bring your tank dimensions in for a free setup consultation — we'll match livestock to your real water volume.