2 Chronicles 4:5

4:5 It was four fingers thick and its rim was like that of a cup shaped like a lily blossom. It could hold 18,000 gallons. ¹ 

[4:5]  ¹ tn Heb “3,000 baths” (note that the capacity is given in 1 Kings 7:26 as “2,000 baths”). A bath was a liquid measure roughly equivalent to six gallons (about 22 liters), so 3,000 baths was a quantity of about 18,000 gallons (66,000 liters).