The Bible (`Gen. 6:15`) gives the dimensions as follows: Three hundred cubits long, fifty cubits broad and thirty cubits high. The length of the cubit is variously estimated. The modern cubit is 18 inches, linear measure; the sacred cubit of the Jews is 21.88 inches. According to the latter the ark was 547.3 feet long, 91.2 feet wide and 54 feet high. The capacity, 2,730,782 cubic feet. Tonnage, 81,042. It is impossible however, to do more than merely to estimate the dimensions as no one can be absolutely sure as to the length of the cubit according to which the ark was constructed. There are some modern vessels of greater length than the ark, but the capacity of the ark was three times as great as any vessel afloat. It provided plenty of room for Noah and his family and pairs of all the 244 species of animals, taken in, as scheduled by the Buffon, together with all supplies needed for the long voyage. The design has been found in actual practice to yield the best results for safety and stowage.