NET

15 This is how you should make it: The ark is to be 450 feet long, 75 feet wide, and 45 feet high.

Darby

15 And thus shalt thou make it: let the length of the ark be three hundred cubits, the breadth of it fifty cubits, and the height of it thirty cubits.

KJV

15 And this [is the fashion] which thou shalt make it [of]: The length of the ark [shall be] three hundred cubits, the breadth of it fifty cubits, and the height of it thirty cubits.

Strong's

15 And this is the the fashion which thou shalt make^H6213 it of: The length^H753 of the ark^H8392 shall be three^H7969 hundred^H3967 cubits^H520, the breadth^H7341 of it fifty^H2572 cubits^H520, and the height^H6967 of it thirty^H7970 cubits^H520.