Exodus 30:13-14

13Each one who is numbered in the census shall give this: half a shekel
A  shekel was about 2/5 ounce or 11 grams
according to the bshekel of the sanctuary (the cshekel is twenty gerahs),
A  gerah was about 1/50 ounce or 0.6 gram
ehalf a shekel as an offering to the Lord.
14Everyone who is numbered in the census, from twenty years old and upward, shall give the Lord’s offering.

2 Chronicles 24:6

6So the king summoned Jehoiada the chief and said to him, “Why have you not required the Levites to bring in from Judah and Jerusalem fthe tax levied by Moses, the servant of the Lord, and the congregation of Israel for gthe tent of testimony?”

2 Chronicles 24:9

9And hproclamation was made throughout Judah and Jerusalem to bring in for the Lord ithe tax that Moses the servant of God laid on Israel in the wilderness.
Copyright information for ESV