Cross reference
Ezekiel 41:4
4 And by his measure it was twenty cubits long and twenty cubits wide in front of the Temple: and he said to me, This is the most holy place.
1 Kings 6:20
20 And the inmost room was twenty cubits square and twenty cubits high, plated over with clear gold, and he made an altar of cedar-wood, plating it with gold.
Hebrews 9:3-8
3 And inside the second veil was the place which is named the Holy of holies;
4 Having a vessel of gold in it for burning perfumes, and the ark of the agreement, which was covered with gold and which had in it a pot made of gold for the manna, and Aaron's rod which put out buds, and the stones with the writing of the agreement;
5 And over it were the winged ones of glory with their wings covering the mercy-seat; about which it is not possible now to say anything in detail.
6 Now while these things were in existence, the priests went into the first Tent at all times, for prayer and the making of offerings.
7 But only the high priest went into the second, once a year, not without making an offering of blood for himself and for the errors of the people:
8 The Holy Spirit witnessing by this that the way into the holy place had not at that time been made open, while the first Tent was still in being;
Exodus 26:33-34
33 And you are to put up the veil under the hooks, and put inside it the ark of the law: the veil is to be a division between the holy place and the most holy.
34 You are to put the cover on the ark of the law, inside the most holy place.
2 Chronicles 3:8
8 And he made the most holy place; it was twenty cubits long, and twenty cubits wide, like the greater house, and was plated all over with the best gold; six hundred talents were used for it.
1 Kings 6:5
5 And against the walls all round, and against the walls of the Temple and of the inmost room, he put up wings, with side rooms all round:
1 Kings 6:16
16 And at the back of the house a further space of twenty cubits was shut in with boards of cedar-wood, for the inmost room.
Revelation 21:16
16 And the town is square, as wide as it is long; and he took the measure of the town with the rod, one thousand and five hundred miles: it is equally long and wide and high.