Revelation 21:16
The city was cubic in shape: its length was the same as its width. He measured the city with his rod, and it measured at 12,000 stadia:Its length, width, and height were the same.
Ezekiel 48:8-20
"Running along the border of the tribe of Judah from the eastern perimeter to the western perimeter you are to set apart the Terumah, 25,000 units wide, with its east-west length equal to one of the other apportionments, from the eastern perimeter to the western perimeter, with the Temple in the middle of it.
Ezekiel 48:35
A perimeter is to measure 18,000 units, and the name of the city from that time on is to be: "THE LORD IS THERE.'"