{
  "url": "https://openlegislation.uk/units-of-measurement-regulations-1994/regulation-4",
  "json_url": "https://openlegislation.uk/units-of-measurement-regulations-1994/regulation-4.json",
  "legislation": "uksi/1994/2867",
  "legislation_title": "The Units of Measurement Regulations 1994",
  "legislation_url": "https://openlegislation.uk/units-of-measurement-regulations-1994",
  "path": "regulation/4",
  "kind": "regulation",
  "number": "4",
  "heading": "Amendment of the Regulations in 1995",
  "text": "(1) On 1st October 1995 the Regulations shall be amended as follows.\n(2) In Regulation 8, in paragraph (2), at the beginning there shall be inserted “Parts I to III of”.\n(3) The following paragraphs shall be added to Regulation 11—\n“(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.\n(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.\n(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.”.\n(4) After Regulation 11 there shall be added the following—\n“ Part iv\nUnits of measurement on and after 1st October 1995\n12 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).\n13 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.\n14 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.”.\n(5) For “(Regulation 8(2))” at the head of Schedule 3 there shall be substituted “(Regulations 8(2) and 12)”; for the heading of Schedule 3 there shall be substituted “UNITS OF MEASUREMENT WHICH ARE NOT AUTHORISED FOR USE IN THE SPECIFIED CIRCUMSTANCES EXCEPT AS SUPPLEMENTARY INDICATIONS”; and after Part III of Schedule 3 there shall be added the following—\n“Part iv\n(Operative date 1st October 1995)\nQuantities, names of units, symbols, abbreviations and approximate values:\n(1)\nLength\ninch\n1 in\n=\n2.54 × 10-2m\nfoot\n1 ft\n=\n0.3048 m\nyard\n1 yd\n=\n0.9144 m\nmile\n1 mile\n=\n1609 m\n(2)\nArea\nsquare foot\n1 sq ft\n=\n0.929 × 10-1 m2\nsquare yard\n1 sq yd\n=\n0.8361 m2\nacre\n1 ac\n=\n4047 m2\n(3)\nVolume\nfluid ounce\n1 fl oz\n=\n28.41 × 10-6 m3\ngill\n1 gill\n=\n0.1421 × 10-3 m3\npint\n1 pt\n=\n0.5683 × 10-3 m3\nquart\n1 qt\n=\n1.137 × 10-3 m3\ngallon\n1 gal\n=\n4.546 × 10-3 m3\n(4)\nMass\nounce (avoirdupois)\n1 oz\n=\n28.35 × 10-3 kg\ntroy ounce\n1 oz tr\n=\n31.10 × 10-3 kg\npound\n1 lb\n=\n0.4536 kg\n(5)\nEnergy\ntherm\n1 therm\n=\n105.506 × 106 J\n”.\n(6) After Schedule 3 there shall be added the following—\n“SCHEDULE 3A\nUNITS OF MEASUREMENT AUTHORISED FOR USE IN SPECIALISED FIELDS ON AND AFTER 1ST OCTOBER 1995 BUT BEFORE 1ST JANUARY 2000\n(Regulation 13)\nUnit\nField of application\nfathom\nMarine navigation\nfluid ounce pint\nBeer, cider, water, lemonade and fruit juice in returnable containers\nounce (avoirdupois) pound\nGoods for sale loose from bulk\ntherm\nGas supply\nSCHEDULE 3B\nUNITS OF MEASUREMENT AUTHORISED FOR USE IN SPECIALISED FIELDS ON AND AFTER 1ST OCTOBER 1995\n(Regulation 14)\nUnit\nField of application\ninch foot yard mile\nRoad traffic signs, distance and speed measurement\npint\nDispense of draught beer or cider\nMilk in returnable containers\nacre\nLand registration\ntroy ounce\nTransactions in precious metals\n”",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "revoked",
      "affecting": "uksi/1995/1804",
      "affecting_title": "The Units of Measurement Regulations 1995"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1994/2867/regulation/4",
    "retrieved_at": "2026-10-29T13:23:30.906817+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}