Numbers 18:16

And those that are to be redeemed from a month old you shall redeem, according to your judgment for the silver of five shekels, according to the shekel of the sanctuary, which is twenty gerahs.

Exodus 30:13

They shall give this, every one that passes among those who are counted, half a shekel after the shekel of the sanctuary (a shekel is twenty gerahs); a half shekel shall be the offering of Jehovah.

Numbers 3:47

you shall even take five shekels each by the head, according to the shekel of the sanctuary you shall take. (The shekel is twenty gerahs.)

Leviticus 27:2-7

Speak to the sons of Israel and say to them, When a man shall make a special vow, the persons shall be for Jehovah by your evaluation.

Leviticus 27:25

And all your judgments shall be according to the shekel of the sanctuary, twenty gerahs shall be the shekel.

Ezekiel 45:12

And the shekel shall be twenty gerahs: twenty shekels, twenty-five shekels, fifteen shekels, shall be your maneh.

Treasury of Scripture Knowledge

Summary

And those that are to be redeemed from a month old shalt thou redeem, according to thine estimation, for the money of five shekels, after the shekel of the sanctuary, which is twenty gerahs.

General references

Bible References

According

Numbers 3:47
you shall even take five shekels each by the head, according to the shekel of the sanctuary you shall take. (The shekel is twenty gerahs.)
Leviticus 27:2
Speak to the sons of Israel and say to them, When a man shall make a special vow, the persons shall be for Jehovah by your evaluation.

Which is

Exodus 30:13
They shall give this, every one that passes among those who are counted, half a shekel after the shekel of the sanctuary (a shekel is twenty gerahs); a half shekel shall be the offering of Jehovah.
Leviticus 27:25
And all your judgments shall be according to the shekel of the sanctuary, twenty gerahs shall be the shekel.
Ezekiel 45:12
And the shekel shall be twenty gerahs: twenty shekels, twenty-five shekels, fifteen shekels, shall be your maneh.

General references

Numbers 3:15
Number the sons of Levi according to their fathers' house, by their families. You shall number them, every male from a month old and upward.