Exodus 30:13

This they will give, {everyone who is counted}, the half shekel, according to the sanctuary shekel, [which is] twenty gerahs per shekel. The half shekel [is] a contribution for Yahweh.

Leviticus 27:25

And every proper value of yours shall be in the sanctuary's shekel--the shekel shall be twenty gerahs.

Numbers 3:47

you will receive five shekels a person, in the sanctuary shekel; you will collect twenty gerahs [per] shekel.

Ezekiel 45:12

And the shekel [shall weigh] twenty gerahs, twenty shekels and five and twenty shekels [and] ten and five shekels, [that] shall make the mina for you.

Exodus 38:26

[It was] a bekah for the individual, the half shekel according to the sanctuary shekel, for {everyone who was counted}, from {twenty years old} and above, for six hundred and three thousand five hundred and fifty.

Matthew 17:24

Now [when] they arrived in Capernaum, the ones who collected the double drachma [tax] came up to Peter and said, "Does your teacher not pay the double drachma [tax]?"

Matthew 27:24

So Pilate, [when he] saw that he was accomplishing nothing, but instead an uproar was developing, took water [and] washed his hands before the crowd, saying, "I am innocent of the blood of this man. You see to [it]!"

Treasury of Scripture Knowledge

Summary

This they shall give, every one that passeth 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.

Bible References

A shekel is

Leviticus 27:25
And every proper value of yours shall be in the sanctuary's shekel--the shekel shall be twenty gerahs.
Numbers 3:47
you will receive five shekels a person, in the sanctuary shekel; you will collect twenty gerahs [per] shekel.
Ezekiel 45:12
And the shekel [shall weigh] twenty gerahs, twenty shekels and five and twenty shekels [and] ten and five shekels, [that] shall make the mina for you.