7 C.F.R. § 51.2836
Size classifications.
Cite as 7 C.F.R. § 51.2836 (2026)
The size of onions may be specified in accordance with one of the following classifications. Size designation Minimum diameter Maximum diameter Inches Millimeters Inches Millimeters Small 1 25.4 2 1 ⁄ 4 57.2 Repacker/Prepacker 1 1 3 ⁄ 4 44.5 3 76.2 Medium 2 50.8 3 1 ⁄ 4 82.6 Large or Jumbo 3 76.2 ( 2 ) Colossal 3 3 ⁄ 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.