C.F.R. » Title 7 » CHAPTER I—AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE › SUBCHAPTER C—REQUIREMENTS AND STANDARDS UNDER THE AGRICULTURAL MARKETING ACT OF 1946 AND THE EGG PRODUCTS INSPECTION ACT › PART 51—FRESH FRUITS, VEGETABLES, AND OTHER PRODUCTS (INSPECTION, CERTIFICATION, AND STANDARDS) › Subpart P—United States Standards for Grades of Potatoes

7 C.F.R. § 51.1566

Metric conversion table

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InchesMillimeters (mm)
1⁄8 equals3.2
1⁄4 equals6.4
1⁄2 equals12.7
3⁄4 equals19.1
1 equals25.4
11⁄2 equals38.1
2 equals50.8
21⁄2 equals63.5
3 equals76.2
31⁄2 equals88.9
4 equals101.6
41⁄2 equals114.3
OuncesGrams
1 equals28.35
4 equals113.40
5 equals141.75
6 equals170.10
7 equals198.45
8 equals226.80
9 equals255.15
10 equals283.50
12 equals340.20
14 equals396.90
16 equals453.60
18 equals510.30
19 equals538.60
20 equals567.00