New Revised Standard Version
The city lies foursquare, its length the same as its width; and he measured the city with his rod, fifteen hundred miles; its length and width and height are equal.

Contemporary English Version
The city was shaped like a cube, because it was just as high as it was wide. When the angel measured the city, it was about 2,400 kilometers high and 2,400 kilometers wide.

New American Bible
The city was square, its length the same as [also] its width. He measured the city with the rod and found it fifteen hundred miles in length and width and height.

Douay-Rheims Bible
And the city lieth in a four-square: and the length thereof is as great as the breadth. And he measured the city with the golden reed for twelve thousand furlongs: and the length and the height and the breadth thereof are equal.

And the city lieth in a four-square: and the length thereof is as great as the breadth. And he measured the city with the golden reed for twelve thousand furlongs: and the length and the height and the breadth thereof are equal.

four square.

1,500 miles on each side, are emblematical of magnificence, and of its capability of containing all the multitude of inhabitants which should ever enter it, however immense or innumerable.

Ezekiel 48:17,18,20,35 And the suburbs of the city shall be to the north two hundred and fifty, and the south two hundred and fifty, and to the east two hundred and fifty, and to the sea two hundred and fifty. . . .

twelve.

Ezekiel 48:8-19 And by the border of Juda, from the east side even to the side of the sea, shall be the firstfruits which you shall set apart, five and twenty thousand in breadth, and length, as every one of the portions from the east side to the side of the sea: and the sanctuary shall be in the midst thereof. . . .