Leviticus 27:2-8 - WEB
2
Speak to the children of Israel, and tell them, When a man shall accomplish a vow, the persons shall be for Yahweh by your estimation.
3
Your estimation shall be of the male from twenty years old even to sixty years old, even your estimation shall be fifty shekels of silver, after the shekel of the sanctuary.
4
If it be a female, then your estimation shall be thirty shekels.
5
If it be from five years old even to twenty years old, then your estimation shall be of the male twenty shekels, and for the female ten shekels.
6
If it be from a month old even to five years old, then your estimation shall be of the male five shekels of silver, and for the female your estimation shall be three shekels of silver.
7
If it be from sixty years old and upward; if it be a male, then your estimation shall be fifteen shekels, and for the female ten shekels.
8
But if he be poorer than your estimation, then he shall be set before the priest, and the priest shall value him; according to the ability of him who vowed shall the priest value him.
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