StacksVerified U.S. regulatory reference

16 CFR §500.23

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)The selected multiple or submultiple prefixes for SI metric units shall result in numerical values between 1 and 1000, except that centimeters or millimeters may be used where a length declaration is less than 100 centimeters. For example, “1.96 kg” instead of “1960 g” and “750 mL” instead of “0.75 L”.
  2. (b)The following symbols for SI metric units and none others may be employed in the required net quantity declaration: