Revelation 21:16

And the city was four-square, it's length being as much as the breadth: and he measured the city with the reed twelve thousand furlongs: the length and the breadth and the height of it are equal.

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Summary

I saw also the height of the house round about: the foundations of the side chambers were a full reed of six great cubits.

Bible References

A full

Revelation 21:16
And the city was four-square, it's length being as much as the breadth: and he measured the city with the reed twelve thousand furlongs: the length and the breadth and the height of it are equal.