{"data":{"id":"us/16-cfr-500.18","jurisdiction":"us","citation":"16 CFR 500.18","heading":"SI metric prefixes.","body":"The following chart indicates SI prefixes that may be used on a broad range of consumer commodity labels:\nPrefix Symbol Multiplying factor 1\nKilo- k x 103\nDeca- da × 10\nDeci- d × 10−1\nCenti- c × 10−2\nMilli- m × 10−3\nMicro- µ × 10−6\n1 102=100; 103=1000; 10−1=0.1; 10−2=0.01.\nThus, 2 kg=2 × 1000 g=2000 g, and 3 cm=3 × 0.01 m=0.03 m.","path":["Title 16—Commercial Practices","CHAPTER I—FEDERAL TRADE COMMISSION","SUBCHAPTER E—RULES, REGULATIONS, STATEMENT OF GENERAL POLICY OR INTERPRETATION AND EXEMPTIONS UNDER THE FAIR PACKAGING AND LABELING ACT","PART 500—REGULATIONS UNDER SECTION 4 OF THE FAIR PACKAGING AND LABELING ACT"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-16.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:29Z","sha256":"3e25f1a7b446bc9e9fc26980f3284dccd1e40f7df9bdc4ca19b3e38f089ed402","source_id":"us-cfr","stale":true,"prev":"us/16-cfr-500.17","next":"us/16-cfr-500.19"},"notice":"GroundRules: Original legal text. Not legal advice."}