Num 18:16 | ESV | STEP | And their redemption price (at a month old you shall redeem them) you shall fix at five shekels in silver, according to the shekel of the sanctuary , which is twenty gerahs .

‏ Numbers 18:16

16 And their redemption price ^a(at a month old you shall redeem them) you shall fix at five shekels ^{▼▼A shekel was about 2/5 ounce or 11 grams} in silver, according to the shekel of the sanctuary, ^cwhich is twenty gerahs.