Input (grade 13): (ex: BWL is the maximum beam at the waterline): \* Depth or moulded depth (D) is the vertical distance measured from the top of the keel to the underside of the upper deck at side.
Output (grade 12): (ex: BWL is the maximum beam at the waterline): \* Depth (D) is the vertical distance from the bottom of the hull to the uppermost edge at the side.