length-to-beam ratio

The length-to-beam ratio of a boat compares its overall length to its widest point (beam). It’s calculated by dividing the boat's length by its beam width. This ratio indicates the vessel’s shape and stability: a higher ratio (long and narrow) usually means faster, more efficient movement through water but less stability, making it feel more tender. A lower ratio (short and wide) typically offers greater stability and steadiness, especially in rough water, but may be less agile and slower. This ratio helps sailors evaluate the boat’s design suited for different activities and conditions.