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 Apples (§51.300 to §51.322) > 51.322—Metric conversion table.

51.322—Metric conversion table.

Inches Millimeters(mm)
1/16 equals 1.6
1/8 equals 3.2
3/16 equals 4.8
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
11/8 equals 28.6
21/8 equals 54.0
21/4 equals 57.2
23/8 equals 60.3
21/2 equals 63.5
23/4 equals 69.9
Cubic Inches Cubic Centimeters (cc)
2100 equals 34,412.7
2900 equals 47,522.3
Pounds Grams (g)
10 equals 4,536.0
37 equals 16,783.2
40 equals 18,144.0