This isn't my experience, so I went looking and found this: > Uniform Unit Pricing Regulations apply only when stores voluntarily provide unit pricing informat

This isn't my experience, so I went looking and found this: > Uniform Unit Pricing Regulations apply only when stores voluntarily provide unit pricing information. The unit of measure chosen must be consistent across like items within the category. So if a store offers unit pricing it must be consistent within a category. https://www.nist.gov/pml/owm/laws-and-regulations/us-retail-pricing-laws-and-regulations https://www.nist.gov/pml/owm/laws-and-regulations/us-retail-...