Aquaponics System Size Calculator
Agriculture & FarmingCalculate the recommended fish tank size and grow bed area for an aquaponics system.
Required Fish Tank Size
Recommended fish tank volume for this number of fish.
Recommended Grow Bed Area
20.0
Recommended grow bed area, using the common rule of roughly 1 sq ft of grow bed per 10 gallons of fish tank water.
Found this calculator useful?
From Scratch To $10K/Month In 60 Days
This is a proven money making system that takes students by the hand to make at least $10,000 per month, every month. Students get 12 weeks of guided coaching in addition to the "MPS Super Funnel" and tools.
We value your privacy and promise not to sell or misuse your information. Here's our privacy policy.
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Agriculture & Farming calculators
Frequently Asked Questions
Why does fish tank size depend on gallons per fish?
Each fish species has different space requirements based on adult size and bioload — tilapia, a common aquaponics fish, are often recommended at around 10 gallons per fish, though this varies by species and desired growth rate.
Why does grow bed size relate to fish tank volume?
The grow bed's plant roots and bacteria process the fish waste nutrients in the water — an undersized grow bed can't keep up with nutrient processing, while an oversized one may not get enough nutrients for healthy plant growth, so a balanced ratio matters for system health.
Is this ratio fixed for all aquaponics systems?
No — this provides a common starting guideline. Actual optimal ratios vary based on fish stocking density, fish species, plant types, and grow bed media, and many experienced practitioners fine-tune ratios based on their specific system's performance.
Spot a mistake? Tell us what's wrong.
Request a calculator. The most-requested ones get built first in our monthly batch.
Request a calculatorWant this calculator on your website?
Embed the Aquaponics System Size Calculator on any site — no code needed. Customize colors, remove branding, and track usage.
