Verse 6

If the person is from a month old even to five years old, then your valuation shall be for a male five shekels of silver, and for a female your valuation shall be three shekels of silver.

Referenced Verses

• Num 3:40-43 : 40 Yahweh said to Moses, "Number all the firstborn males of the children of Israel from a month old and upward, and take the number of their names. 41 You shall take the Levites for me (I am Yahweh) instead of all the firstborn among the children of Israel; and the livestock of the Levites instead of all the firstborn among the livestock of the children of Israel." 42 Moses numbered, as Yahweh commanded him, all the firstborn among the children of Israel. 43 All the firstborn males according to the number of names, from a month old and upward, of those who were numbered of them, were twenty-two thousand two hundred seventy-three.
• Num 18:14-16 : 14 "Everything devoted in Israel shall be yours. 15 Everything that opens the womb, of all flesh which they offer to Yahweh, both of man and animal shall be yours: nevertheless you shall surely redeem the firstborn of man, and you shall redeem the firstborn of unclean animals. 16 You shall redeem those who are to be redeemed of them from a month old, according to your estimation, for five shekels of money, after the shekel of the sanctuary (the same is twenty gerahs).