CFR > Title 7 - Agriculture > SUBTITLE B—Regulations of the Department of Agriculture > CHAPTER I—AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing Practices), DEPARTMENT OF AGRICULTURE (parts 27 to 206) > SUBCHAPTER C—REGULATIONS AND STANDARDS UNDER THE AGRICULTURAL MARKETING ACT OF 1946 (parts 51 to 75) > PART 51—FRESH FRUITS, VEGETABLES AND OTHER PRODUCTS 1,2 (INSPECTION, CERTIFICATION, AND STANDARDS) > SUBPART —United States Standards for Grades of Fresh Plums and Prunes (§51.1520 to §51.1538) > 51.1538—Metric conversion table.

51.1538—Metric conversion table.

Inches Millimeters(mm)
1/8 equals 3.2
1/4 equals 6.4
3/8 equals 9.5
1/2 equals 12.7
5/8 equals 15.9
3/4 equals 19.1
7/8 equals 22.2
1 equals 25.4
11/4 equals 31.8
11/2 equals 38.1
13/4 equals 44.5
2 equals 50.8
3 equals 76.2
4 equals 101.6