General Average Calculator

GA contribution under York-Antwerp Rules from voyage values.

Legal Disclaimer

This calculator provides general estimates only and does not constitute legal advice. Laws, regulations, and court procedures vary significantly by jurisdiction. Consult a licensed attorney in your area for advice specific to your situation.

Inputs

Vessel Value ($)

Total Cargo Value ($)

Freight at Risk ($)

GA Loss ($)

Your Cargo Value ($)

Tab to move between fields

Results

Your GA Contribution ($)

$28,169.01

≈ 14 gaming PCs

Your Share (%)1.41

Vessel Owner's Share ($)$1,126,760.56

Total Voyage Value ($)$35,500,000.00

Vessel Share (%)56.3

Cargo Share (%)42.3

GA Deposit Required ($)$50,000.00

Freight (%)1.41%

Ga Guarantee28,169.01

How to Use This Calculator

Enter Vessel Value, Total Cargo Value, and Freight at Risk for the voyage.
Set GA Loss — the total extraordinary sacrifice or expenditure to be shared among all parties.
Enter Your Cargo Value — your proportional share is calculated based on your cargo's share of total voyage value.
Review Your GA Contribution — what you owe toward the shared loss.
Ensure your marine cargo insurance (ICC-A or equivalent) covers general average contributions.
GA adjustment is a complex legal process — a GA adjuster (average adjuster) administers the distribution.

How the result changes with GA Loss ($)

GA Loss ($)	Your GA Contribution ($)
100,000,000	$1,408,450.70
350,000,000	$4,929,577.46
650,000,000	$9,154,929.58
900,000,000	$12,676,056.34

What each input means

Vessel Value ($): Market value of the vessel.
Total Cargo Value ($): Combined value of all cargo aboard.
Freight at Risk ($): Freight revenue at risk.
GA Loss ($): Total general average loss to be shared.
Your Cargo Value ($): Value of your cargo on the vessel.

What each result means

Your GA Contribution ($): Your proportional share of the GA loss.
Your Share (%): Your percentage of total voyage value.
Vessel Owner's Share ($): Shipowner's GA contribution.
Total Voyage Value ($): Vessel + cargo + freight.
Vessel Share (%): Vessel percentage of voyage.
Cargo Share (%): Total cargo percentage of voyage.
GA Deposit Required ($): Upfront cash deposit (~10% of cargo value).

How this is calculated

Worked example, using the default values

Identify Input Parameters
4 parameters
Vessel Value ($) = 20000000, Total Cargo Value ($) = 15000000, Freight at Risk ($) = 500000, GA Loss ($) = 2000000 = 5 input(s) provided
Calculate Your GA Contribution
28169.01 = $28,169.01
Calculate Your Share
1.41 = 1.41
Calculate Vessel Owner's Share
1126760.56 = $1,126,760.56