These are Solomon’s measurements for building the house of God: the length, in cubits of the old standard, was sixty cubits, and the breadth twenty cubits.
Here is, I. The place where the temple was built. Solomon was neither at liberty to choose nor at a loss to fix the place. It was before determined (Ch1 22:1), which was an ease to his mind. 1. It must be at Jerusalem; for that was the place where God had chosen to put his name there. The royal city must be the holy city.
Commenting on 2 Chronicles 3:1-9
MEASURES AND ORNAMENTS OF THE HOUSE. (Ch2 3:3-7) these are the things wherein Solomon was instructed for the building of the house of God--by the written plan and specifications given him by his father. The measurements are reckoned by cubits, "after the first measure," that is, the old Mosaic standard. But there is great difference of opinion about this, some making the cubit eighteen, others twenty-one inches.
Now these [are the things wherein] Solomon was instructed for the building of the house of God. The length by cubits after the first measure [was] threescore cubits, and the breadth twenty cubits. (b) According to the whole length of the temple,