# The Weights and Measures (Quantity Marking and Abbreviations of Units) Regulations 1987, Regulation 7: Imperial and metric units of measurement


(1) Where the marking of quantity is in both metric and imperial units of measurement, the following provisions of this regulation shall apply.
(2) The marking shall indicate the quantity in terms of the same measurement in the imperial system of units as in the metric system.
(3) In the case of any goods required by or under Part IV of the Act to be pre-packed or otherwise made up in or on a container for sale, or for delivery after sale, only if made up in specified quantities, the marking shall—
(a) first indicate the quantity in which they are made up; and
(b) if the quantity in which they are made up is in metric units, include the words “metric pack”.
(4) In any other case the marking may indicate the quantity first in either imperial or metric units.
(5) The indications of quantity in imperial and metric units shall be of equal size and shall be distinct but in close proximity to each other and nothing shall be inserted between them.
(6) Notwithstanding anything in regulation 10 of the Weights and Measures (Packaged Goods) Regulations 1986, in the case of cows' milk and goats' milk any marking of any quantity in imperial units shall be entirely in terms of the pint, quart or gallon.
(7) In paragraph (6) above, “cows' milk” means cows' milk in any liquid form other than that of condensed milk within the meaning of the Condensed Milk and Dried Milk Regulations 1977 (including evaporated milk) or of cream.

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Source: https://www.legislation.gov.uk/uksi/1987/1538/regulation/7 (the official version)
Page: https://openlegislation.uk/weights-and-measures-quantity-marking-and-abbreviations-of-units-regulations-1987/regulation-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.