وَأَوۡفُواْ ٱلۡكَيۡلَ إِذَا كِلۡتُمۡ وَزِنُواْ بِٱلۡقِسۡطَاسِ ٱلۡمُسۡتَقِيمِۚ ذَٰلِكَ خَيۡرٞ وَأَحۡسَنُ تَأۡوِيلٗا
Wa awful kaila izaa kiltum wa zinoo bilqistaasil mustaqeem; zaalika khairunw wa ahsanu taaweelaa
English Translation
And give full measure when you measure, and weigh with an even balance. That is the best [way] and best in result
— Saheeh International