1 Kings 6:20

20The inner sanctuary
Vulgate; Hebrew and before the inner sanctuary
was twenty cubits long, twenty cubits wide, and twenty cubits high, and he overlaid it with pure gold. He also overlaid
Septuagint made
an altar of cedar.

2 Chronicles 3:8

8 cAnd he made the Most Holy Place. Its length, corresponding to the breadth of the house, was twenty cubits, and its breadth was twenty cubits. He overlaid it with 600 talents
A  talent was about 75 pounds or 34 kilograms
of fine gold.

Revelation of John 21:16

16The city lies foursquare, its length the same as its width. And he measured the city with his rod, 12,000 stadia.
About 1,380 miles; a stadion was about 607 feet or 185 meters
Its length and width and height are equal.
Copyright information for ESV