'Shekels' in the Bible

Whenever he cut his hair he cut it at the end of every year, because it grew thick on his head, which is why he cut it his hair weighed in at 200 shekels measured by the royal standard.

and Ishbi-benob, who had been fathered by giants, said he intended to kill David. (His bronze spearhead weighed 300 shekels, and he carried state-of-the-art weaponry.)

"No!" the king replied to Araunah. "I will buy them from you at full price. I won't offer to the LORD my God burnt offerings that cost me nothing." So David bought the threshing floor and the oxen for 50 silver shekels,