83:3
وَإِذَا كَالُوهُمْ أَو وَّزَنُوهُمْ يُخْسِرُونَ
wa-idhā kālūhum aw wazanūhum yukh'sirūna
But if they give by measure or by weight to them, they cause loss.
— Saheeh International
but give less than they should when it is they who weigh or measure for others!
— M. A. S. Abdel Haleem
And when they have to give by measure or weight to (other) men, give less than due.
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali