Exodus 30:13
This they shall give, every one that passes among them that are numbered, half a shekel after the shekel of the sanctuary: (a shekel is twenty gerahs:) an half shekel shall be the offering of the LORD.
Nave's Topical Index—AKJV

Numbers 3:47
You shall even take five shekels apiece by the poll, after the shekel of the sanctuary shall you take them: (the shekel is twenty gerahs:)
Nave's Topical Index—AKJV

Ezekiel 45:12
And the shekel shall be twenty gerahs: twenty shekels, five and twenty shekels, fifteen shekels, shall be your maneh.
Nave's Topical Index—AKJV