The Units of Measurement Regulations 1994

Type Statutory-Instrument
Publication 1994-11-06
State In force
Department King's Printer of Acts of Parliament
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Made: 6th November 1994

Coming into force in accordance with regulation 1

The Secretary of State, being a Minister designated[^f00002] for the purposes of section 2(2) of the European Communities Act 1972 in relation to units of measurement to be used for economic, health, safety or administrative purposes, in exercise of powers conferred by that section and of all other powers enabling him in that behalf, hereby makes the following Regulations:—

Citation and commencement

1

These Regulations may be cited as the Units of Measurement Regulations 1994 and shall come into force immediately after the coming into force of the Weights and Measures Act 1985 (Metrication) (Amendment) Order 1994[^f00003].

Interpretation

2

In these Regulations—

Amendment of the Regulations in 1994

3

  • “supplementary indication”has the same meaning as it has in section 8(5A) of the Act;

(7) Supplementary indications are authorised to be used in the specified circumstances.

Amendment of the Regulations in 1995

4

(3) Subject to paragraphs (4) and (5) below, where a contract entered into before 1st October 1995 falls to be performed or to be performed partly on or after that date and the contract refers to a unit of measurement defined in Part IV of Schedule 3 to these Regulations, then, on and after that date, that reference shall (except where the unit is used otherwise than as a primary indication of quantity), be construed in the specified circumstances as a reference to the value set out in the appropriate column of that Schedule in relation to that unit; and accordingly any calculation that has under the contract to be made in those circumstances by reference to that unit shall instead be made by reference to that value. (4) Where a contract for which paragraph (3) above provides relates to any of the fields of application specified in Schedule 3A to these Regulations, any reference in the contract to a unit of measurement authorised by Regulation 13 of these Regulations for use in relation to that field is not required to be construed as that paragraph provides until 1st January 2000. (5) Where a contract for which paragraph (3) above provides relates to any of the fields of application specified in Schedule 3B to these Regulations, any reference in the contract to a unit of measurement authorised by Regulation 14 of these Regulations for use in relation to that field is not required to be construed as that paragraph provides.

(12) Subject to Regulations 13 and 14 below, the units of measurement and their symbols and abbreviations specified in Part Iv of Schedule 3 to these Regulations are not authorised for use in the specified circumstances on and after 1st October 1995 (except as supplementary indications in accordance with Regulation 7). (13) The units of measurement specified in Schedule 3A to these Regulations are, together with their symbols and abbreviations, authorised for use on and after 1st October 1995, but before 1st January 2000, in the fields of application specified in relation to them in that Schedule. (14) The units of measurement specified in Schedule 3B to these Regulations are, together with their symbols and abbreviations, authorised for use on and after 1st October 1995 in the fields of application specified in relation to them in that Schedule.

Quantities, names of units, symbols, abbreviations and approximate values:

(1) Length
inch 1 in = 2.54 × 10-2m
foot 1 ft = 0.3048 m
yard 1 yd = 0.9144 m
mile 1 mile = 1609 m
(2) Area
square foot 1 sq ft = 0.929 × 10-1 m2
square yard 1 sq yd = 0.8361 m2
acre 1 ac = 4047 m2
(3) Volume
fluid ounce 1 fl oz = 28.41 × 10-6 m3
gill 1 gill = 0.1421 × 10-3 m3
pint 1 pt = 0.5683 × 10-3 m3
quart 1 qt = 1.137 × 10-3 m3
gallon 1 gal = 4.546 × 10-3 m3
(4) Mass
ounce (avoirdupois) 1 oz = 28.35 × 10-3 kg
troy ounce 1 oz tr = 31.10 × 10-3 kg
pound 1 lb = 0.4536 kg
(5) Energy
therm 1 therm = 105.506 × 106 J

SCHEDULE 3A

Unit Field of application
fathom Marine navigation
fluid ounce pint Beer, cider, water, lemonade and fruit juice in returnable containers
ounce (avoirdupois) pound Goods for sale loose from bulk
therm Gas supply

SCHEDULE 3B

Unit Field of application
inch foot yard mile Road traffic signs, distance and speed measurement
pint Dispense of draught beer or cider Milk in returnable containers
acre Land registration
troy ounce Transactions in precious metals

Amendment of the Act in 1994

5

(5) The proceding provisions have effect subject to— (a) subsection (5A) below, and (b) sections 9 and 89 below. (5A) Nothing in this section precludes the use for trade of any supplementary indication; and for this purpose any indication of quantity (“the imperial indication”) is a supplementary indication if— (a) it is expressed in a unit of measurement other than a metric unit, (b) it accompanies an indication of quantity expressed in a metric unit (“the metric indication”) and is not itself authorised for use in the circumstances as a primary indication of quantity, and (c) the metric indication is the more prominent, the imperial indication being, in particular, expressed in characters no larger than those of the metric indication.

Amendment of the Act etc in 1995

6

(4) Without prejudice to section 8(6)(b) below an order under subsection (3) above shall not remove the pint from Part IV of Schedule 1.

; and

(6) Subsection (1) above shall not have effect so as to authorise the use in the specified circumstances of— (a) the yard as a measurement of length, or (b) the pound as a measurement of mass, otherwise than in accordance with Regulation 7 of the Units of Measurement Regulations 1986 (supplementary indications) or, in the case of the pound, in accordance with section 8(2)(f)[^f00006] below (which permits the pound to be used for the purposes of the sale of goods loose from bulk). (7) In subsection (6) above “the specified circumstances”has the same meaning as in the Units of Measurement Regulations 1986, that is to say the circumstances specified in Article 2(a) of Council Directive No. 80/181/EEC as limited by the provisions of Article 2(b) of that Directive.

PINT = 0.568 261 25 cubic decimetre.

; and

(25) In any of the following, namely— (a) any byelaw made under paragraph 5 of Schedule 6 to the 1963 Act (including that paragraph as extended to wood fuel by paragraph 4 of Part IV of Schedule 7 to that Act), (b) any byelaw made under paragraph 2 of Part IV of Schedule 7 to that Act, and (c) any byelaw made under any enactment repealed by that Act, where the byelaw is continued in force by virtue of paragraph 5(2) of Schedule 6 to that Act, references to a ton, half a ton, two hundredweights, a hundredweight, a quarter or a stone (or to the equivalent number of pounds in the case of each of those quantities) shall be construed as references to 1000, 500, 100, 50, 15 or 7.5 kilograms respectively.

; and

(26) Where any byelaw to which paragraph 25 above applies contains a requirement not only to mark a price clearly and legibly but to mark it in figures of at least three inches in height, the reference to three inches shall be construed as a reference to 7.5 centimetres.

references to 1120, 224 or 14 pounds shall be construed as references to 500, 100 or 7.5 kilograms respectively; and where any such byelaw contains a requirement not only to mark a price clearly and legibly but to mark it in figures of at least three inches in height, the references to three inches shall be construed as a reference to 7.5 centimetres.

Amendment of the Act in 2000

7

OUNCE TROY = 0.031 103 476 8 kilogram.

Fluid ounce = 1/20 pint.

; and

POUND = 0.453 592 37 kilogram. Ounce = 1/16 pound.

SCHEDULE — NEW PART VI OF SCHEDULE 1 TO THE WEIGHTS AND MEASURES ACT 1985

PART VI — Definitions of certain units which may not be used for trade except as supplementary indications

Measurement of length Measurement of length Measurement of length
Mile = 1760 yards.
Furlong = 220 yards.
Chain = 22 yards.
YARD = 0.9144 metre.
Foot = ⅓ yard.
Inch = 1/36 yard.
Measurement of area Measurement of area Measurement of area
Square mile = 640 acres.
Acre = 4840 square yards.
Rood = 1210 square yards.
Square yard = a superficial area equal to that of a square each side of which measures one yard.
Square foot = 1/9 square yard.
Square inch = 1/144; square foot.
Measurement of volume Measurement of volume Measurement of volume
Cubic yard = a volume equal to that of a cube each edge of which measures one yard.
Cubic foot = 1/27 cubic yard.
Cubic inch = 1/1728 cubic foot.
Measurement of capacity Measurement of capacity Measurement of capacity
Bushel = 8 gallons.
Peck = 2 gallons
GALLON = 4.54609 cubic decimetres.
Quart = ¼ gallon.
Gill = ¼ pint.
Fluid drachm = ⅛ fluid ounce.
Minim = 1/60 fluid drachm.
Measurement of mass or weight Measurement of mass or weight Measurement of mass or weight
Ton = 2240 pounds.
Hundredweight = 112 pounds.
Cental = 100 pounds.
Quarter = 28 pounds.
Stone = 14 pounds.
Dram = 1/16 ounce.
Grain = 1/7000 pound.
Pennyweight = 24 grains.
Ounce apothecaries = 480 grains.
Drachm = ⅛ ounce apothecaries.
Scruple = ⅓ drachm.
Metric ton = 1000 kilograms.
Quintal = 100 kilograms.

Signed

Ferrers — Minister of State for Consumer Affairs and Small Firms, — Department of Trade and Industry — 6th November 1994

Explanatory note

(This note is not part of the Regulations)

These Regulations implement the amendments made by Council Directive 89/617/EEC (OJ No. L357, 7.12.89, p.28) to Council Directive 80/181/EEC (OJ No. L39, 15.2.80, p.40) (“the Directive”) which relates to the use of units of measurement for economic, public health, public safety or administrative purposes (“the specified circumstances”).

They end, in general, the authorised use, in the specified circumstances, of the imperial units of measurement most commonly used to describe length, area, volume and mass (such as the yard, pint and pound) after 30th September 1995. They do however provide certain exceptions which permit the continued use of these imperial units for specific purposes beyond that date. For example, there is an exception for the pint for draught beer and cider and for milk in a returnable bottle.

These Regulations amend the Units of Measurement Regulations 1986 (“the 1986 Regulations”) and the Weights and Measures Act 1985 (“the Act”).

The Act is also amended to reflect the requirements of the Directive by the Weights and Measures Act 1985 (Metrication) (Amendment) Order 1994 (S.I. 1994/2866) which should be read in conjunction with these Regulations in order to see how the Act’s provisions as a whole are amended in implementation of the Directive.

The 1986 Regulations consolidated previous Regulations which implemented both the provisions of the Directive before its amendment by Directive 89/617/EEC and those of its predecessor, Council Directive 71/354/EEC (OJ No. L243, 29.10.71, p.29).

As a result of the amendments made to the 1986 Regulations by these Regulations, the use of those commonly used imperial units referred to above ceases to be authorised in the specified circumstances except where they benefit from a derogation. Details of these derogations are given in the new Schedules 3A and 3B which Regulation 4(6) adds to the 1986 Regulations.

One significant amendment made by these Regulations to the Act is made by Regulation 6(5)(c) which amends the Act so as to make unlawful for use for trade those commonly used imperial units referred to above by placing them in Part VI of Schedule 1 to the Act (see the Schedule to these Regulations). They may however continue to be used as supplementary indications which accompany indications of quantity given by means of metric units.

Footnotes

[^f00001]: 1972 c. 68.

[^f00002]: S.I. 1976/897.

[^f00003]: S.I. 1994/2866.

[^f00004]: 1985 c. 72.

[^f00005]: S.I. 1986/1082.

[^f00006]: Section 8(2)(f) is inserted in the Act by article 3(2) of the Weights and Measures Act 1985 (Metrication) (Amendment) Order 1994 (S.I. 1994/2866).

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