Exodus 30:12-13

12 a“When you take the census of the people of Israel, then each shall give ba ransom for his life to the Lord when you number them, that there be no plague among them when you number them. 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 dshekel of the sanctuary (the eshekel is twenty gerahs),
A  gerah was about 1/50 ounce or 0.6 gram
ghalf a shekel as an offering to the Lord.

Exodus 38:24-25

24All the gold that was used for the work, in all the construction of the sanctuary, the gold from the offering, was twenty-nine talents and 730 shekels,
A  talent was about 75 pounds or 34 kilograms; a  shekel was about 2/5 ounce or 11 grams
by ithe shekel of the sanctuary.
25The silver from those of the congregation who were recorded was a hundred talents and 1,775 shekels, by the shekel of the sanctuary:
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