"This¹ they shall give,ª° every one¹ that passethª° amongª them that are numbered,ª° halfª a shekelª after the shekelª of the sanctuary:ª (a shekelª [is] twentyª gerahs:)ªan halfª shekelª [shall be] the offeringª of the LORD.ª" {Exd 30:13}+"And all¹ thy estimationsª shall be¹ according to the shekelª of the sanctuary:ªtwentyª gerahsª shall be¹ the shekel.ª" {Lev 27:25}+"Thou shalt even takeª°five² shekels² apieceª¹ by the poll,ª after the shekelª of the sanctuaryª shalt thou takeª° [them]: (the shekelª [is] twentyª gerahs:)ª" {Num 3:47}
twenty shekels:
That is, 20+25+15=60; for the maneh as a weight was equal to sixty shekels, though as a coin it was only equal to fifty, weighing about 2 lb. 6 oz.; and reckoning the shekel at 2s 6d being in value 6£ 5s.