Leviticus 27:25

27:25 Every conversion value must be calculated by the standard of the sanctuary shekel; twenty gerahs to the shekel.

Numbers 3:47

3:47 collect five shekels for each one individually; you are to collect this amount in the currency of the sanctuary shekel (this shekel is twenty gerahs).

Ezekiel 45:12

45:12 The shekel will be twenty gerahs. Sixty shekels will be a mina for you.