---
kind: "section"
citation: "16 C.F.R. § 500.23"
title: "16"
number: "500.23"
heading: "Expression of net quantity of contents in SI Metric units."
url: "https://uscodex.org/cfr/16/500.23"
---

# §500.23. Expression of net quantity of contents in SI Metric units.

- (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”.
- (b) The following symbols for SI metric units and none others may be employed in the required net quantity declaration:

## Notes

### Authority

Authority: 15 U.S.C. 1453, 1454, 1455.

### Source

Source: 59 FR 1872, Jan. 12, 1994, unless otherwise noted.