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Worldscale Freight

Freight = WS rate (points) × WS flat × B/L tonnes / 100. Worldscale flat rate revised annually.

CharteringWorldscale
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Formula, assumptions, and limits

Freight=WSFlat100Q\text{Freight} = \frac{\text{WS} \cdot \text{Flat}}{100} \cdot Q
SymbolMeaningUnit
WSWSWorldscale points (WS100 = flat)
FlatFlatReference USD/t for route + yearUSD/t
QQB/L quantityt

Source: Worldscale Association

In short

Freight = WS rate (points) \u00d7 WS flat \u00d7 B/L tonnes / 100.

Learn the theory Baltic Dry Index and Freight Indices