Ezekiel
Ezekiel 40:5ESV·traditional attribution

And behold, there was a wall all around the outside of the temple area, and the length of the measuring reed in the man’s hand was six long cubits, each being a cubit and a handbreadth in length. So he measured the thickness of the wall, one reed; and the height, one reed.

Matthew Henry Presbyterian @wholebiblehenry

The measuring-reed which was in the hand of the surveyor-general was mentioned before, Eze 40:3. Here we are told (Eze 40:5) what was the exact length of it, which must be observed, because the house was measured by it. It was six cubits long, reckoning, not by the common cubit, but the cubit of the sanctuary, the sacred cubit, by which it was fit that...

Commenting on Ezekiel 40:5-26

John Gill Reformed Baptist @doctorgill

And behold, a wall on the outside of the house round about,.... The first thing that presents itself to the view of the prophet, after the sight of the architect or chief builder, is a wall encompassing this strange and wondrous building; which was like the frame of a city, as before observed: this wall was five hundred reeds long, and five hundred broad; see...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Measures were mostly taken from the human body. The greater cubit, the length from the elbow to the end of the middle finger, a little more than two feet: exceeding the ordinary cubit (from the elbow to the wrist) by an hand-breadth, that is, twenty-one inches in all. Compare Eze 43:13, with Eze 40:5. The palm was the full breadth of the hand, three and a half inches.