'Cubit' in the Bible

The mouth of it inside the angle-plate was one cubit across; it was round like a pillar, a cubit and a half across; it had designs cut on it; the sides were square, not round.

The four wheels were under the frames, and the rods on which the wheels were fixed were in the base; the wheels were a cubit and a half high.

And at the top of the base there was a round vessel, half a cubit high;