ENOfficial
It was narrated that Ibn 'Umar said: "The Messenger of Allah (ﷺ) said: "Volume is to be measured according to the system of the people of Al-Madinah, and weight is to be measured according to the system of the peole of Makkah."' (Sahih) This is the wording of Ishaq (one of the narrators).
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، عَنِ الْمُلاَئِيِّ، عَنْ سُفْيَانَ، ح وَأَنْبَأَنَا مُحَمَّدُ بْنُ إِبْرَاهِيمَ، قَالَ أَنْبَأَنَا أَبُو نُعَيْمٍ، عَنْ سُفْيَانَ، عَنْ حَنْظَلَةَ، عَنْ طَاوُسٍ، عَنِ ابْنِ عُمَرَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " الْمِكْيَالُ عَلَى مِكْيَالِ أَهْلِ الْمَدِينَةِ وَالْوَزْنُ عَلَى وَزْنِ أَهْلِ مَكَّةَ " . وَاللَّفْظُ لإِسْحَاقَ .
sunnah.com