# 16 CFR § 500.10: Units of fluid measure, how expressed

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-16-500.10

## Section

- **Citation:** 16 CFR § 500.10
- **Heading:** Units of fluid measure, how expressed
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** 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

## Text

(a) Use of the terms “net” or “net contents” is optional.
(b) Declaration of net quantity of contents in terms of fluid measure shall be identified as such in each instance and the statement of U.S. gallon of 231 cubic inches and quart, pint, and fluid ounce subdivisions thereof shall be expressed as follows:
(1) If less than 1 pint, in terms of fluid ounces. (Example: “Net Contents 8 fl. oz. (236 mL)” or “Net Contents 236 mL (8 fl. oz.)”.)
(2) If at least 1 pint but less than 1 gallon, in terms of the largest whole unit (quarts, quarts and pints or pints, as appropriate), with any remainder in terms of fluid ounces or common or decimal fractions of the pint or quart, except that it shall be optional to include an immediately adjacent additional expression of net quantity in terms of fluid ounces. (Examples: “1 qt. (946 mL)” or “Net contents 1 qt. 1 pt. 8 oz./56 fl. oz. (1.65 L)”, but not in terms of quart and ounce such as “1 quart 24 ounces (1.65 L)”.)
(3) If 1 gallon or more, in terms of the largest whole unit (gallons followed by common or decimal fractions of a gallon or by the next smaller whole unit or units viz, quarts and pints) with any remainder in terms of fluid ounces or common or decimal fractions of the pint or quart, except that it shall be optional to include an immediately adjacent additional expression of net quantity in terms of fluid ounces.
(Examples:“Net contents 2
1/2 gal. (9.46 L)”, “Contents 2.5 gal. (9.46 L)”, or “Net contents 2 gallons 2 quarts (9.46 L)” but not as “2 gallons 4 pints (9.46 L)”.)

## Nearby sections

- [16 CFR § 500.1 § 500.1 Scope of the regulations of this part.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.1.md)
- [16 CFR § 500.2 § 500.2 Terms defined.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.2.md)
- [16 CFR § 500.3 § 500.3 Prohibited acts, coverage, general labeling requirements, exemption procedures.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.3.md)
- [16 CFR § 500.4 § 500.4 Statement of identity.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.4.md)
- [16 CFR § 500.5 § 500.5 Name and place of business of manufacturer, packer or distributor.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.5.md)
- [16 CFR § 500.6 § 500.6 Net quantity of contents declaration, location.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.6.md)
- [16 CFR § 500.7 § 500.7 Net quantity of contents, method of expression.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.7.md)
- [16 CFR § 500.8 § 500.8 Units of weight or mass and measure.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.8.md)
- [16 CFR § 500.9 § 500.9 Units of weight or mass, how expressed.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.9.md)
- [16 CFR § 500.10 § 500.10 Units of fluid measure, how expressed.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.10.md)
- [16 CFR § 500.11 § 500.11 Measurement of commodity length, how expressed.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.11.md)
- [16 CFR § 500.12 § 500.12 Measurement of commodities by length and width, how expressed.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.12.md)
- [16 CFR § 500.13 § 500.13 Measurement of commodities by area measure only, how expressed.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.13.md)
- [16 CFR § 500.14 § 500.14 Statements of cubic measure and dry measure.](https://www.frixlaw.com/law-library/statutes/ecfr-16-500.14.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-16-500.10. Check the current official text before relying on it. Not legal advice.