Fishery Economics Calculator

Revenue and cost per trip from catch, price, and expenses.

Inputs

Catch (kg)

Price ($/kg)

Fuel cost ($)

Crew cost ($)

Gear/repair ($)

Trip duration (days)

Tab to move between fields

Results

Gross revenue ($)

$12,000.00

≈ 8 months of rent

Net profit ($)$9,800.00

Profit margin (%)81.67

Cost per kg ($)$0.73

Revenue per day ($)$2,400.00

Breakeven catch (kg)550

How to Use This Calculator

Enter Catch (kg), Price ($/kg), and Fuel cost ($).
Set Crew cost ($), Gear/repair ($), and Trip duration (days).
Review the Gross revenue ($) ($) result.
Use Net profit ($) ($) and Profit margin (%) to inform your decision.

How the result changes with Catch (kg)

Catch (kg)	Gross revenue ($)
100,001	$400,004.00
350,001	$1,400,004.00
650,000	$2,600,000.00
900,000	$3,600,000.00

What each input means

Catch (kg): Total landed catch in kilograms.
Price ($/kg): Dockside price per kilogram.
Fuel cost ($): Fuel expense for the trip.
Crew cost ($): Crew wages and shares for the trip.
Gear/repair ($): Gear maintenance and bait costs.
Trip duration (days): Duration of the fishing trip.

What each result means

Gross revenue ($): Total revenue from the catch.
Net profit ($): Revenue minus all trip expenses.
Profit margin (%): Net profit as percentage of revenue.
Cost per kg ($): Total trip cost per kilogram of catch.
Revenue per day ($): Gross revenue divided by trip days.
Breakeven catch (kg): Minimum catch needed to cover expenses.

How this is calculated

Worked example, using the default values

Identify Input Parameters
4 parameters
Catch (kg) = 3000, Price ($/kg) = 4, Fuel cost ($) = 800, Crew cost ($) = 1200 = 6 input(s) provided
Calculate Gross revenue
Gross revenue = catchKg * pricePerKg
12000 = $12,000
Calculate Net profit
Net profit = grossRevenue - totalExpenses
9800 = $9,800
Calculate Profit margin
Profit margin = round((netProfit / max(1, grossRevenue)) * 10000) / 100
81.67 = 81.67

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