{
  "url": "https://openlegislation.uk/eu-directive-1980-181/annex/chapter-III",
  "json_url": "https://openlegislation.uk/eu-directive-1980-181/annex/chapter-III.json",
  "legislation": "eudr/1980/181",
  "legislation_title": "Council Directive of 20 December 1979 on the approximation of the laws of the Member States relating to units of measurement and on the repeal of Directive 71/354/EEC (80/181/EEC)",
  "legislation_url": "https://openlegislation.uk/eu-directive-1980-181",
  "path": "annex/chapter/III",
  "kind": "chapter",
  "number": "III",
  "heading": "LEGAL UNITS OF MEASUREMENT REFERRED TO IN ARTICLE 1 (c)",
  "text": "QUANTITIES, NAMES OF UNITS, SYMBOLS AND APPROXIMATE VALUES\nLength\ninch\n1 in\n= 2·54 × 10 -2 m\nfoot\n1 ft\n= 0·3048 m\nmile\n1 mile\n= 1 609 m\nyard\n1 yard\n= 0·9144 m\nArea\nsquare foot\n1 sq ft\n= 0·929 × 10 -1 m 2\nacre\n1 ac\n= 4 047 m 2\nsquare yard\n1 sq yd\n= 0·8361 m 2\nVolume\nfluid ounce\n1 fl oz\n= 28·41 × 10 -6 m 3\ngill\n1 gill\n= 0·1421 × 10 -3 m 3\npint\n1 pt\n= 0·5683 × 10 -3 m 3\nquart\n1 qt\n= 1·137 × 10 -3 m 3\ngallon\n1 gal\n= 4·546 × 10 -3 m 3\nMass\nounce (avoirdupois)\n1 oz\n= 28·35 × 10 -3 kg\ntroy ounce\n1 oz tr\n= 31·10 × 10 -3 kg\npound\n1 lb\n= 0·4536 kg\nEnergy\ntherm\n1 therm\n= 105·506 × 10 6 J\nUntil the date to be fixed under Article 1 (c), the units listed in Chapter III may be combined with each other or with those in Chapter I to form compound units.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Deleted by Council Directive of 27 November 1989 amending Directive 80/181/EEC on the approximation of the laws of the Member States relating to units of measurement (89/617/EEC)."
    },
    {
      "type": "X",
      "label": "X1",
      "text": "Substituted by Corrigendum to Council Directive 80/181/EEC of 20 December 1979 on the aproximation of the laws of the Member States relating to units of measurement and on the repeal of Directive 71/354/EEC (Official Journal of the European Communities No L 39 of 15 February 1980)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudr/1980/181/annex/chapter/III",
    "retrieved_at": "2026-11-01T15:23:40.868248+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."
}