وَأَوفُوا الكَيلَ إِذا كِلتُم وَزِنوا بِالقِسطاسِ المُستَقيمِ ۚ ذٰلِكَ خَيرٌ وَأَحسَنُ تَأويلًا

Give full measure when you measure, and weigh with an even balance. That is better and best in interpretation.