Measures of Length: Cubit
Source: TTT
Genesis 6:15, 16
And this is how you are to build it: The ark is to be 300 cubits long, 50 cubits wide, and 30 cubits high. / You are to make a roof for the ark, finish its walls a cubit from the top, place a door in the side of the ark, and build lower, middle, and upper decks.
Deuteronomy 3:11
(For only Og king of Bashan had remained of the remnant of the Rephaim. His bed of iron, nine cubits long and four cubits wide, is still in Rabbah of the Ammonites.)