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 Potatoes 1 (§51.1540 to §51.1566) > 51.1566—Metric conversion table.

51.1566—Metric conversion table.

Inches Millimeters (mm)
1/8 equals 3.2
1/4 equals 6.4
1/2 equals 12.7
3/4 equals 19.1
1 equals 25.4
11/2 equals 38.1
2 equals 50.8
21/2 equals 63.5
3 equals 76.2
31/2 equals 88.9
4 equals 101.6
41/2 equals 114.3
Ounces Grams
1 equals 28.35
4 equals 113.40
5 equals 141.75
6 equals 170.10
7 equals 198.45
8 equals 226.80
9 equals 255.15
10 equals 283.50
12 equals 340.20
14 equals 396.90
16 equals 453.60
18 equals 510.30
19 equals 538.60
20 equals 567.00