Exodus 30:13
13 Each one who is numbered in the census shall give this: half a shekel1 according to the wshekel of the sanctuary (the xshekel is twenty gerahs),2 yhalf a shekel as an offering to the Lord.
Ezekiel 45:12
12 yThe shekel shall be twenty gerahs;1 twenty shekels plus twenty-five shekels plus fifteen shekels shall be your mina.2