Leviticus 27:6

6Now if the person is from one month to five years of age, then your valuation for the male shall be five shekels of silver,27:6 5 shekels is approximately 2 ounces or 57 grams of silver. and for the female three shekels of silver.27:6 3 shekels is approximately 1.2 ounces or 34.2 grams of silver.