What was the Ark’s approximate length-to-width ratio in Genesis?

The Ark’s approximate length-to-width ratio in Genesis is six to one.

Genesis gives the Ark a length of 300 cubits and a width of 50 cubits. Dividing 300 by 50 produces a 6:1 length-to-width ratio. Its stated height is 30 cubits, making the length ten times the height as well.

These proportions are sometimes discussed in relation to the stability of large floating structures. A long, rectangular hull can be stable, but the Genesis passage is a religious narrative, not a surviving naval design manual. It does not specify a curved hull, propulsion system, steering mechanism, ballast plan, or detailed structural framework.

The ratio is easy to confuse with the length-to-height ratio, which is 10:1. Another issue is the cubit: although the same unit is used for all three dimensions, its exact length is uncertain. That uncertainty changes the Ark’s absolute size in modern units but does not change the internal ratios stated by the text.