Leviticus 27:6

Overview - Leviticus 27
He that makes a singular vow must be the Lord's.
The estimation of the person;
of a beast given by vow;
14 of a house;
16 of a field, and the redemption thereof.
28 No devoted thing may be redeemed.
30 The tithe may not be changed.
Treasury of Scripture Knowledge

Leviticus 27:6  (King James Version)
And if it be from a month old even unto five years old, then thy estimation shall be of the male five shekels of silver, and for the female thy estimation shall be three shekels of silver.

Numbers 3:40-43 ; 18:14-16

the male
The male five shekels, 15s
, the female three shekels, 9s. Being both in infancy they were nearly of an equal value.