▁p ound ▁( U tre chts ▁z wa ar ▁p ond ) ▁was ▁ 4 9 7 . 8 ▁gr ams . ▁ ▁After ▁the ▁metric ▁system ▁was ▁introduced ▁in ▁ 1 8 1 6 , ▁the ▁word ▁p ond ▁continued ▁to ▁be ▁used , ▁but ▁for ▁ 1 ▁kil ogram . ▁This ▁dou bling ▁in ▁size ▁of ▁the ▁p ond ▁in ▁one ▁fell ▁swo op ▁created ▁a ▁good ▁deal ▁of ▁confusion . ▁The ▁name ▁" kil ogram " ▁was ▁adopted ▁in ▁ 1 8 6 9 , ▁but ▁the ▁p ond ▁was ▁only ▁elimin ated ▁as ▁a ▁formal ▁unit ▁of ▁measurement ▁in ▁ 1 9 3 7 . ▁P ond ▁is ▁still ▁used ▁today ▁in ▁every day ▁parl ance ▁to ▁refer ▁to ▁ 5 0 0 ▁g , ▁not ▁far ▁from ▁its ▁historical ▁weight . ▁The ▁word ▁p ond ▁is ▁also ▁used ▁when ▁referring ▁to ▁the ▁p ound ▁used ▁in ▁English - spe aking ▁countries . ▁ ▁On s ▁on s , ▁once ▁( ounce ) ▁– ▁ ▁p ond ▁= ▁ 3 0 . 8 8 1 ▁g ▁( 1 . 0 8 9 3 ▁o z ) ▁( with ▁variations , ▁now ▁ 1 0 0 ▁g ) ▁ ▁An ▁on s ▁was ▁ ▁of ▁a ▁p ond . ▁An ▁on s ▁was ▁generally ▁around ▁ 3 0   gram s , ▁but ▁there ▁was ▁much ▁variation . ▁The ▁figures ▁provided ▁above ▁for ▁the ▁weight ▁of ▁the ▁various ▁pounds ▁used ▁in ▁the ▁Netherlands ▁can ▁be ▁divided ▁by ▁ 1 6