ShipCalculators.com

Age Premium - Old Ship Rate Discount

Rate discount for older ship on a given fixture - often 0.5-1 % per year above 15 y.

AgePremiumFreight
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Formula, assumptions, and limits

D=(age15)0.7%D = (\text{age} - 15) \cdot 0.7\%
SymbolMeaningUnit
AgeAgeYears since keel layingyears
DiscountDiscountAge-related rate reduction%

Source: Clarksons Sale & Purchase

In short

Rate discount for older ship on a given fixture - often 0.

Learn the theory Ship Finance and Asset Valuation