2 Chronicles 4:18
Thus Solomon made all these vessels in great abundance: for the weight of the brass could not be found out.
Cross-reference
1 Kings 7:47
Parallel
1 Kings 7:47 similarly states the weight of the bronze was not determined because of the great multitude.
Jeremiah 52:20
Parallel
Jeremiah 52:20 uses the same 'beyond weight' phrase for bronze of temple vessels, confirming the immense quantity.
1 Chronicles 22:3
Historical context
1 Chronicles 22:3 records David's preparation of bronze beyond weighing for the temple, preceding Solomon's abundant vessels.