# The Weights and Measures Regulations 1963, Regulation 58


(1) New weighing instruments shall have their maker's name and their capacity conspicuously, legibly and durably marked thereon.
(2) Where units of measurement are marked on weighing instruments, they shall be marked either in full or by means of one of the following abbreviations only:—
cwt
ctl
qr
lb
oz
dr
gr
oz.tr
dwt
oz.apoth
kg
kilogram
kilog
g
gram
grm
mg
milligram
C.M.

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Source: https://www.legislation.gov.uk/uksi/1963/1710/regulation/58 (the official version)
Page: https://openlegislation.uk/weights-and-measures-regulations-1963/regulation-58
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.