Pi And The Bible In modern mathematical calculations pi, which denotes the ration of the circumference of a circle to its diameter, is generally a quantity equivalent to 3.1416. It is actually more accurate to say that pi can be carried to at least eight decimal places, which would be 3.14159265, though even 3.1415926535 can be used. Bible skeptics often conclude that the Bible writers of 1 Kings 7:23 and 2 Chronicles 4:2, where the circular molten sea in the courtyard ...