If the person is a female, the conversion value is thirty shekels.

and Uriah the Hittite. Altogether there were thirty-seven.

He had thirty sons who rode on thirty donkeys and possessed thirty cities. To this day these towns are called Havvoth Jair ¹  – they are in the land of Gilead. ² 

Ishmaiah the Gibeonite, one of the thirty warriors and their leader,(12:5) ¹ Jeremiah, Jahaziel, Johanan, Jozabad the Gederathite,

The Levites who were thirty years old and up were counted; there were 38,000 men. ¹ 

He had thirty sons. He arranged for thirty of his daughters to be married outside his extended family, ¹  and he arranged for thirty young women to be brought from outside as wives for his sons. ²  Ibzan ³  led ⁴  Israel for seven years;

the king of Tirzah (one), a total of thirty-one kings.

When the Philistines saw he had no attendants, they gave him thirty groomsmen who kept him company. ¹ 

Adina son of Shiza the Reubenite, leader of the Reubenites and the thirty warriors with him,

Then Abraham ¹  said, “May the Lord not be angry ²  so that I may speak! ³  What if thirty are found there?” He replied, “I will not do it if I find thirty there.”

Benaiah was the leader of the thirty warriors and his division; his son was Ammizabad. ¹ 

from thirty years old and upward to fifty years old, everyone who entered the company for the work in the tent of meeting;

from thirty years old and upward to fifty years old, everyone who entered the company for the work in the tent of meeting –

from thirty years old and upward to fifty years old, everyone who entered the company for the work in the tent of meeting –

When all the community saw that Aaron was dead, the whole house of Israel mourned for Aaron thirty days.

David was thirty years old when he began to reign and he reigned for forty years.

Included with the thirty were the following: Asahel the brother of Joab, Elhanan son of Dodo from Bethlehem, ¹ 

Now a man was there who had been disabled for thirty-eight years. ¹ 

Samson said to them, “I will give you a riddle. If you really can solve it during the seven days the party lasts, ¹  I will give you thirty linen robes and thirty sets ²  of clothes.

But if you cannot solve it, ¹  you will give me thirty linen robes and thirty sets of clothes.” They said to him, “Let us hear your riddle.” ²