But thou shalt have a perfect and just weight, a perfect and just measure shalt thou have: that thy days may be lengthened in the land which the LORD thy God giveth thee.

DEUTERONOMY 25:15KJV
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Deuteronomy 25:15 (KJV)

What does Deuteronomy 25:15 mean?

Deuteronomy 25:15 commands the Israelites to use honest and accurate weights and measures in their dealings, promising that doing so will allow them to live long in the land God is giving them. The verse links fair business practices with the blessing of a long life in their promised land.

Moses is speaking to the people of Israel as they prepare to enter Canaan, giving them laws for daily life. The verse focuses on marketplace honesty, insisting that every weight and measure used must be both "perfect" (whole, complete) and "just" (righteous, fair). This law is about more than business—it shows that justice and integrity are foundational for a healthy community under God’s care.

The Hebrew behind Deuteronomy 25:15

  • שָׁלֵם (shalem, H8003) — "perfect": This word means whole, complete, or undivided. Here, it stresses that weights and measures should not be tampered with or diminished in any way.
  • צֶדֶק (tsedeq, H6664) — "just": This word means righteous or fair. It highlights that honesty is not just about accuracy but about moral rightness in dealings.
  • אֶבֶן (even, H68) — "weight": In ancient times, weights were often literal stones. The verse calls for these to be unaltered and trustworthy.
  • אֵיפָה (eifah, H374) — "measure": This refers to a standard unit of dry measure. The law requires it to be honest, not adjusted for personal gain.
  • יָמִים (yamim, H3117) — "days": This word is used here in the phrase about lengthening days, meaning a longer life or enduring presence in the land.
  • יַאֲרִיכוּן (ya'arikhun, H748) — "lengthened": This verb means to make longer, emphasizing that living justly has a direct impact on the community’s future.

Why Deuteronomy 25:15 matters

  • Deuteronomy 25:15 clarifies that honesty in business is a spiritual and communal issue, not just a personal virtue or legal requirement.
  • The verse connects daily actions—like using fair measures—to the larger promise of security and blessing in the land, showing that faithfulness in small things upholds the whole community.
  • By tying just practices to the length of time in the land, the verse warns that injustice can threaten the very future of the people, making integrity a matter of national survival.

Where else these words appear

“perfect” Hebrew H8003 · used in 26 verses

  • Genesis 15:16 But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full.
  • 1 Kings 15:3 And he walked in all the sins of his father, which he had done before him: and his heart was not perfect with the LORD his God, as the heart of David his father.
  • 2 Chronicles 15:17 But the high places were not taken away out of Israel: nevertheless the heart of Asa was perfect all his days.

“measure” Hebrew H374 · used in 29 verses

  • Exodus 16:36 Now an omer is the tenth part of an ephah.
  • 1 Samuel 1:24 And when she had weaned him, she took him up with her, with three bullocks, and one ephah of flour, and a bottle of wine, and brought him unto the house of the LORD in Shiloh: and the child was young.
  • Ezekiel 46:7 And he shall prepare a meat offering, an ephah for a bullock, and an ephah for a ram, and for the lambs according as his hand shall attain unto, and an hin of oil to an ephah.

“lengthened” Hebrew H748 · used in 34 verses

  • Genesis 26:8 And it came to pass, when he had been there a long time, that Abimelech king of the Philistines looked out at a window, and saw, and, behold, Isaac was sporting with Rebekah his wife.
  • Deuteronomy 22:7 But thou shalt in any wise let the dam go, and take the young to thee; that it may be well with thee, and that thou mayest prolong thy days.
  • Proverbs 28:2 For the transgression of a land many are the princes thereof: but by a man of understanding and knowledge the state thereof shall be prolonged.

“just” Hebrew H6664 · used in 109 verses

  • Leviticus 19:15 Ye shall do no unrighteousness in judgment: thou shalt not respect the person of the poor, nor honour the person of the mighty: but in righteousness shalt thou judge thy neighbour.
  • Psalms 58:1 To the chief Musician, Altaschith, Michtam of David. Do ye indeed speak righteousness, O congregation? do ye judge uprightly, O ye sons of men?
  • Ecclesiastes 7:15 All things have I seen in the days of my vanity: there is a just man that perisheth in his righteousness, and there is a wicked man that prolongeth his life in his wickedness.