Look for the cost per unit on shelf tags to quickly identify the best deals.
While thats sometimes true, its often not.
What Is Cost per Unit and Why Is It Helpful?

Photo:Getty Images. EatingWell design.
Where Is the Cost per Unit Displayed?
Unit pricing is not federally mandated but rather is determined on a state-by-state basis.
Though it can usually be found in one of the corners of the shelf tag.

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What Products Require Cost per Unit Price Tags?
Not all commodities require this pop in of labeling.
U.S. Department of Agriculture.
Economic Research Service.More Americans Spend More Time in Food-Related Activities Than a Decade Ago.
National Institute of Standards and Technology.New Jersey.
2020;111:102-116, doi: https://doi.org/10.1016/j.jbusres.2018.10.049