Surah Ash-Shu'ara 26:181
۞ أَوْفُوا۟ ٱلْكَيْلَ وَلَا تَكُونُوا۟ مِنَ ٱلْمُخْسِرِينَ
Give full measure and do not be of those who cause loss.
Translation: Saheeh International
Tafsir
Give full measure and do not be of those who give short measure
Excerpt from Tafsir al-Jalalayn, commentary on 26:181, via Quran.com. The reader has the full commentary and 9 more tafsirs.