Gerah: Also a Coin Equivalent to About Three Cents American Money and Three Half-Pence English Money

Everyone who crosses over to those counted must pay a half shekel, according to the sanctuary shekel, which weighs twenty gerahs. This half shekel is an offering to the LORD.

Every valuation will be according to the sanctuary shekel, twenty gerahs to the shekel.

…you are to collect five shekels for each one, according to the sanctuary shekel of twenty gerahs.