Leviticus 27:6

And if it be from a month old even unto five years old, thy valuation of the male shall be five shekels of silver; and for the female thy valuation shall be three shekels of silver.

Numbers 3:40-43

And Jehovah said to Moses, Number all the first-born males of the children of Israel from a month old and upward, and take the number of their names.

Numbers 18:14-16

Every devoted thing in Israel shall be thine.

Treasury of Scripture Knowledge

Summary

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.

Bible References

From

Numbers 3:40
And Jehovah said to Moses, Number all the first-born males of the children of Israel from a month old and upward, and take the number of their names.
Numbers 18:14
Every devoted thing in Israel shall be thine.