{"data":{"id":"us/7-cfr-51.1538","jurisdiction":"us","citation":"7 CFR 51.1538","heading":"Metric conversion table.","body":"Inches Millimeters (mm)\n1⁄8 equals 3.2\n1⁄4 equals 6.4\n3⁄8 equals 9.5\n1⁄2 equals 12.7\n5⁄8 equals 15.9\n3⁄4 equals 19.1\n7⁄8 equals 22.2\n1 equals 25.4\n11⁄4 equals 31.8\n11⁄2 equals 38.1\n13⁄4 equals 44.5\n2 equals 50.8\n3 equals 76.2\n4 equals 101.6","path":["Title 7—Agriculture","Subtitle B—Regulations of the Department of Agriculture","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 O—United States Standards for Grades of Fresh Plums and Prunes"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-7.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:01Z","sha256":"a1d5b39cc2bee5724adcc9064252c0d5260393ff30fd2d19a7ef86fd8d3b768d","source_id":"us-cfr","stale":true,"prev":"us/7-cfr-51.1537","next":"us/7-cfr-51.1540"},"notice":"GroundRules: Original legal text. Not legal advice."}