{
  "url": "https://openlegislation.uk/weights-regulations-1986/regulation-5",
  "json_url": "https://openlegislation.uk/weights-regulations-1986/regulation-5.json",
  "legislation": "uksi/1986/1683",
  "legislation_title": "The Weights Regulations 1986",
  "legislation_url": "https://openlegislation.uk/weights-regulations-1986",
  "path": "regulation/5",
  "kind": "regulation",
  "number": "5",
  "heading": "Shape",
  "text": "(1) Except as provided by paragraph (2) of this Regulation, a weight shall only be of a type or form mentioned in the following Table in relation to a weight of its purported mass:—\nType or form\nWeights which may be of that type or form\n1. Metric weights (other than carat (metric) weights)\n(i) The irregular octahedronal form described in Schedule 2 to these Regulations.\nWeights of 25 kg.\n(ii) The rectangular form described in that Schedule.\nWeights of 5 kg, 10 kg or 20 kg.\n(iii) The cylindrical form described in that Schedule.\nWeights of not more than 10 kg nor less than 20 g and of 10, 5, 2 and 1 g.\n(iv) The hexagonal form described in that Schedule.\nWeights of not more than 2 kg nor less than 100 g.\n(v) The disc form described in that Schedule.\nWeights of not more than 50 g nor less than 1 g.\n(vi) Flat type.\nWeights of not more than 1 g nor less than 10 mg.\n(vii) Wire type.\nWeights of 50 mg or less.\n2. Carat (metric) weights\n(i) Cylindrical with a knob.\nWeights of 5 C.M. or more.\n(ii) Flat type.\nWeights of not more than 20 C.M. nor less than 0.05 C.M.\n(iii) Wire type.\nWeights of 0.25 C.M. or less.\n3. Imperial weights (other than weights in paragraphs 4 and 5 of this Table)\n(i) Bell, bar, flat-circular or ring type.\nAny weight other than a weight of 50, 20, 10 or 5 lb.\n(ii) Octagonal type.\nWeights of 50, 20, 10 or 5 lb.\n4. Weights expressed as multiples or fractions of 1/7000 lb\nFlat or wire type.\nAll such weights.\n5. Ounce troy weights\n(i) Cylindrical with a carrying handle or knob.\nWeights of 1 oz tr or more.\n(ii) Flat or wire type.\nWeights of 0.5 oz tr or less.\n(2) Nothing in paragraph (1) of this Regulation or Schedule 2 to these Regulations shall preclude any weight from being regarded as fit for use for trade by reason of the fact that one or more edges are chamfered or rounded.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "words substituted",
      "affecting": "uksi/1994/1851",
      "affecting_title": "The Weights and Measures (Metrication Amendments) Regulations 1994"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1986/1683/regulation/5",
    "retrieved_at": "2026-10-29T16:40:43.032146+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."
}