en_tn_condensed/exo/30/13.md

Everyone who is counted

"Everyone you count" or "Every man you count". They counted only the men.

half a shekel of silver

"1/2 a shekel of silver." Translators may use a unit of measure that people understand and a round number: "5.5 grams of silver" or "six grams of silver"

according to the weight of the shekel of the sanctuary

There were evidently shekels of more than one weight at the time. This specified which one was to be used.

twenty gerahs

"20 gerahs." A gerah is a unit that people used for measuring how much something very small weighed.