2 Chronicles 3:8-9

8He built the Most Holy Place, its length corresponding to the width of the temple—twenty cubits long and twenty cubits wide. He overlaid the inside with six hundred talents That is, about 23 tons or about 21 metric tons of fine gold.

9The gold nails weighed fifty shekels. That is, about 1 1/4 pounds or about 575 grams He also overlaid the upper parts with gold.