Cost items
- Feed (usually the largest item)
- Fry
- Labor
- Energy and fuel
- Health, vaccines and medicines
- Maintenance, insurance and depreciation
Formula
Cost per kg = Total period costs ÷ Kg harvested
Free toolFish Farm Profitability CalculatorBreak-even sale price
The break-even price equals the cost per kg; your target margin is added on top. Since feed cost is FCR × feed price, every FCR improvement lowers the break-even price.
Free toolBreak-Even Price CalculatorAllocating costs to batches
Allocating shared costs (labour, energy) to batches by biomass or days shows which batch truly made a profit.
FCRSOFT
FCRSOFT does this for you automatically
You don’t need to do the calculations and checks on this page by hand every day. FCRSOFT derives them all automatically from the records entered in the field.
- Feed, labour and energy costs are allocated to each batch and kilogram.
- Production cost per kg and profit margin are reported per batch.
- Sales, invoices and collections live in the same system as production data.
Last updated: 10/3/2026
