Genesis 6:15

“And this [is the fashion] which thou shall make it of, etc.] The form and size of it, its length, breadth, and height, as follows: the length of the ark [shall be] three hundred cubits, the breadth of it fifty cubits, and the height of it thirty cubits; which some interpret of geometrical cubits, each of which contained six ordinary cubits; others of sacred cubits, which were larger by an hand’s breadth than the common cubit; but the general opinion of learned men now is, that they were common cubits of eighteen inches long; and by the geometrical calculations made by them it is found, that the ark of such dimensions was abundantly sufficient to contain Noah, and his family, and the various…”

“And this is the fashion--According to the description, the ark was not a ship, but an immense house in form and structure like the houses in the East, designed not to sail, but only to float. Assuming the cubit to be 21.888 inches, the ark would be five hundred forty-seven feet long, ninety-one feet two inches wide, and forty-seven feet two inches high.”

“- Section VI - The Deluge - XXIII. The Ark 9. דור dôr “age, time from birth to death,” applied either to an individual or the whole contemporary race, running parallel with some leading individual. Hence, the “race” or “generation” living during that time. 14. תבה tēbâh “chest, ark.” It is used only of this vessel of Noah’s construction, and of the little vessel in which Moses was put Exodus 2:3, Exodus 2:5. The root, according to Furst, means “to be hollow.” אבה 'ēbeh a cognate word, signifies “a reed;” κιβωτός kibōtos Septuagint. גפר goper α. λ., perhaps “fir, cypress, resinous wood.” קן qēn “nest, room; related: prepare, rear up.” 16. צהר tsohar “shining, light;” not the same as…”

“6:15 This floating barge displaced around 43,300 tons of water.”

“cubits: Gen 7:20; Deu 3:11 Genesis 6:16”