Deuteronomy 25:15

15 Thou shalt have a true and just weight, and a true and just measure, that thou mayest live long upon the land which the Lord thy God gives thee for an inheritance.

Deuteronomy 25:15 Meaning and Commentary

Deuteronomy 25:15

[But] thou shall have a perfect and just weight, a perfect and
just measure shall thou have
That is, full weights, and full measures; and such as are alike, and everywhere used, according to the standard of the country; (See Gill on Leviticus 19:36);

that thy days may be lengthened in the land which the Lord thy God
giveth thee;
long life was always reckoned a blessing, and is frequently promised to, obedience, and particularly long life in the land of Canaan; which was a most delightful and fruitful land, and which a man might wish to live long in; deceitful men, are threatened with not living half their days, and such may they be said to be that use false weights and measures, ( Psalms 55:23 ) .

Deuteronomy 25:15 In-Context

13 Thou shalt not have in thy bag divers weights, a great and a small.

14 Thou shalt not have in thine house divers measures, a great and a small.

15 Thou shalt have a true and just weight, and a true and just measure, that thou mayest live long upon the land which the Lord thy God gives thee for an inheritance.

16 For every one that does this an abomination to the Lord thy God, even every one that does injustice.

17 Remember what things Amalec did to thee by the way, when thou wentest forth out of the land of Egypt: