The term refers to the space occupied by a specific weight of cargo, typically expressed in cubic feet per long ton (ft/LT) or cubic meters per metric ton (m/MT). It is a ratio representing the volume a quantity of goods occupies in a vessel’s hold. For example, if a commodity has a measure of 50 ft/LT, it means one long ton of that commodity requires 50 cubic feet of space within the ship.
Understanding the space required for cargo is vital for efficient vessel loading and voyage planning. Accurate estimation enables optimal use of available space, minimizing wasted volume and maximizing the revenue potential of each voyage. Historically, this calculation has been critical for determining freight rates and ensuring the safe and stable transportation of goods by sea.
