18. Standard liquid measures; automatic gasoline pumps. The standard liquid gallon shall contain 231 cubic inches; the half gallon, one hundred and fifteen and five-tenths cubic inches; the quart, fifty-seven and seventy-five hundredths cubic inches; the pint, twenty-eight and eight hundred and seventy-five thousandths cubic inches; the half pint, fourteen and four hundred and thirty-seven thousandths cubic inches; the gill, seven and two hundred and eighteen thousandths cubic inches; the fluid ounce, one and eight-tenths cubic inches; and no liquid measure of other than the foregoing capacities, except multiples of the gallon, shall be deemed legal liquid measure in the District of Columbia; provided, that any automatic pump for the measurement of gasoline shall have graduations of fractional parts of a gallon in terms of either decimal or binary-submultiple subdivisions. (Mar. 3, 1921, 41 Stat. 1223, ch. 118, §§ 18, 18a; July 7, 1932, 47 Stat. 609, ch. 442; Apr. 11, 1946, 60 Stat. 88, ch. 134, § 1; Aug. 7, 1964, 78 Stat. 382, Pub. L. 88-405, § 2.) Prior Codifications 1981 Ed., § 10-120. 1973 Ed., § 10-119.
District of Columbia Legal Code