Use this calculation to compare aquaculture production, feeding, growth, water-quality, or hatchery measurements collected with the same definitions and units.

Oxygen Demand Kg Per Hour (kg/h)

Required number in kg/h.

Field Transfer Efficiency Percent (%)

Required number in %.

The cited overview of Recirculating aquaculture system supplies background for the terminology and domain context used by this tool.^[1]

Find rated aerator oxygen transfer needed at a user-supplied field transfer efficiency; allow for other oxygen sinks separately. Inputs are interpreted exactly in the displayed units and the calculation returns the following fields without presentation rounding.

Rated Oxygen Transfer Kg Per Hour (kg/h)

Returned number in kg/h.

• Species, life stage, temperature, salinity, system design, sampling method, and management practice can materially change aquaculture measurements and suitable operating ranges.
• Use finite inputs in the displayed units, preserve source measurements and assumptions, and independently verify consequential decisions.

Complement the calculation with calibrated water-quality instruments, representative sampling, feed and mortality records, and species-specific guidance from qualified aquatic-health or production professionals.

• Carrying Capacity

  Convert a user-supplied planning density to total biomass; the tool does not determine an ecologically safe limit.

• Energy Requirement

  Calculate energy supplied by a feed ration; it does not infer a species' metabolic requirement.

• Length Weight Conversion

  Invert a user-supplied weight-length relationship to estimate length; use coefficients fitted to the same species and length units.