{
  "id": "nmfc-classes",
  "title": "The 18 NMFC freight classes",
  "description": "The 18 freight classes from 50 to 500, and whether each is reached by the 2025 density scale.",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "page": "https://palletdimensions.com/freight-class/",
  "columns": [
    {
      "key": "freightClass",
      "label": "Class",
      "numeric": true
    },
    {
      "key": "inDensityScale",
      "label": "On the density scale"
    }
  ],
  "rows": [
    {
      "freightClass": 50,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 55,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 60,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 65,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 70,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 77.5,
      "inDensityScale": false,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 85,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 92.5,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 100,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 110,
      "inDensityScale": false,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 125,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 150,
      "inDensityScale": false,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 175,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 200,
      "inDensityScale": false,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 250,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 300,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 400,
      "inDensityScale": true,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    },
    {
      "freightClass": 500,
      "inDensityScale": false,
      "sources": [
        "nmfta-what-is-nmfc",
        "fedex-rates-2026"
      ],
      "verified": true
    }
  ],
  "sources": [
    {
      "id": "nmfta-what-is-nmfc",
      "title": "The National Motor Freight Classification (NMFC)",
      "publisher": "NMFTA Help Center",
      "url": "https://help.nmfta.org/hc/en-us/articles/38930953502491",
      "kind": "standards-body",
      "official": true,
      "checked": "2026-11-14"
    },
    {
      "id": "fedex-rates-2026",
      "title": "Zone-based rates, effective January 5, 2026",
      "publisher": "FedEx Freight",
      "url": "https://www.fedexfreight.com/content/dam/web/us/documents/freight-zone-based-rates-us-2026.pdf",
      "kind": "carrier",
      "official": false,
      "checked": "2026-11-14"
    }
  ]
}