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7 CFR § 51.3198Chapter I

Size classifications

Primary source

Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.

Full Text

Size shall be specified in connection with the grade in terms of minimum diameter, range in diameter, minimum diameter with a percentage of a certain size or larger, or in accordance with one of the size classifications listed below: Provided, that unless otherwise specified, onions shall not be less than 1 1/2 inches in diameter, with 60 percent or more 2 inches or larger in diameter.

Size designation Minimum diameter Maximum diameter Inches Millimeters Inches Millimeters Small 1 25.4 21⁄4 57.2 Repacker/Prepacker 1 13⁄4 44.5 3 76.2 Medium 2 50.8 31⁄4 82.6 Large or Jumbo 3 76.2 (2) Colossal 33⁄4 95.3 (2) 1 In addition to the sizes specified, a lot of onions designated as Repacker or Prepacker shall contain at least 60 percent or more 2 inches or larger in diameter. 2 No requirement.

eCFR data current as of: November 6, 2026

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.