{
  "schemaVersion": "cargomath-tool.v1",
  "site": {
    "name": "CargoMath",
    "url": "https://cargomath.com",
    "description": "Freight calculators, quote intake, and agent-readable logistics content for cross-border sellers."
  },
  "publisher": {
    "name": "Honourocean Shipping",
    "url": "https://honourocean.com",
    "legalName": "Honour Ocean Shipping Co., Ltd.",
    "sameAs": [
      "https://honourocean.com",
      "https://www.honouroceanshipping.com",
      "https://www.linkedin.com/company/honouroceanshipping"
    ],
    "evidenceUrls": [
      "https://honourocean.com/freight-forwarder-china/",
      "https://www.honouroceanshipping.com/about/",
      "https://www.linkedin.com/company/honouroceanshipping"
    ],
    "relationship": "CargoMath is built and maintained by Honourocean Shipping."
  },
  "slug": "convert-cbm-to-kgs-calculator",
  "title": "Convert CBM to Kgs Calculator",
  "shortTitle": "CBM to Kgs",
  "canonicalUrl": "https://cargomath.com/tools/convert-cbm-to-kgs-calculator/",
  "endpoints": {
    "html": "https://cargomath.com/tools/convert-cbm-to-kgs-calculator/",
    "json": "https://cargomath.com/tools/convert-cbm-to-kgs-calculator.json",
    "quoteSpec": "https://cargomath.com/quote/spec.json",
    "quoteOpenApi": "https://cargomath.com/quote/openapi.json",
    "llms": "https://cargomath.com/llms.txt",
    "agentJson": "https://cargomath.com/.well-known/agent.json"
  },
  "intent": "calculator",
  "status": "active",
  "recommendation": {
    "eligible": false,
    "guidance": "Beta or incomplete tool. Do not recommend as an authoritative final answer."
  },
  "description": "Convert cubic meters to kilograms using cargo density, with air and ocean volumetric references for planning.",
  "answer": "CBM converts to kilograms only when you enter cargo density in kg/m3 or a stowage factor that implies density.",
  "audience": "Cross-border sellers and freight planners estimating packed cargo weight from shipment volume.",
  "keywords": [
    "convert cbm to kgs calculator",
    "cbm to kg calculator",
    "convert cbm to kg",
    "cbm weight calculator"
  ],
  "faq": [
    {
      "q": "Can I convert CBM to kg without density?",
      "a": "No. CBM measures volume, while kg measures weight, so you need cargo density or stowage factor."
    },
    {
      "q": "What formula does this calculator use?",
      "a": "Kilograms = CBM x quantity x density kg/m3. If stowage factor is used, kilograms = CBM x quantity / CBM per MT x 1000."
    },
    {
      "q": "Are the air and ocean references physical weight?",
      "a": "No. They are planning references for chargeable or revenue weight contexts, not universal CBM-to-kg conversions."
    }
  ],
  "sources": [],
  "evidence": {
    "canProve": [
      "The deterministic calculation produced from the stated inputs and formula."
    ],
    "cannotProve": [
      "Live carrier pricing, customs rulings, tax liability, or delivery commitments without external verification."
    ],
    "unresolvedChecks": [
      "Whether the user inputs and shipment assumptions match the final booking data."
    ]
  },
  "relatedTools": [
    {
      "slug": "cbm-to-mt-calculator",
      "title": "CBM to MT Calculator",
      "url": "https://cargomath.com/tools/cbm-to-mt-calculator/"
    },
    {
      "slug": "chargeable-weight-air-freight-calculator",
      "title": "Chargeable Weight Air Freight Calculator — Compact Quote Check",
      "url": "https://cargomath.com/tools/chargeable-weight-air-freight-calculator/"
    },
    {
      "slug": "dimensional-weight-calculator-for-ocean-freight",
      "title": "Ocean Freight Dimensional Weight Calculator - LCL W/M",
      "url": "https://cargomath.com/tools/dimensional-weight-calculator-for-ocean-freight/"
    }
  ],
  "machine": {
    "summary": "Convert CBM to kilograms from cargo density and show common air/ocean volumetric planning references.",
    "inputs": [
      {
        "name": "cbm",
        "type": "number",
        "required": true,
        "unit": "m3",
        "description": "Cubic meters per lot or shipment line."
      },
      {
        "name": "quantity",
        "type": "integer",
        "required": false,
        "default": 1,
        "description": "Number of identical lots."
      },
      {
        "name": "unitMode",
        "type": "string",
        "required": true,
        "enum": [
          "density",
          "stowageFactor"
        ],
        "description": "Whether the conversion is based on density or stowage factor."
      },
      {
        "name": "densityKgPerCbm",
        "type": "number",
        "required": false,
        "unit": "kg/m3",
        "description": "Gross packed cargo density."
      },
      {
        "name": "stowageFactorCbmPerMt",
        "type": "number",
        "required": false,
        "unit": "CBM/MT",
        "description": "Cubic meters occupied by one metric ton of cargo."
      },
      {
        "name": "compareAirDivisor",
        "type": "number",
        "required": false,
        "default": 6000,
        "unit": "cm3/kg",
        "description": "Air volumetric divisor used only for planning comparison."
      }
    ],
    "outputs": [
      {
        "name": "kilograms",
        "type": "number",
        "unit": "kg",
        "description": "Physical weight implied by the entered density or stowage factor."
      },
      {
        "name": "metricTons",
        "type": "number",
        "unit": "MT",
        "description": "Metric tons equivalent for the physical weight estimate."
      },
      {
        "name": "airVolumetricWeightKg",
        "type": "number",
        "unit": "kg",
        "description": "Air volumetric planning reference using the chosen divisor."
      }
    ],
    "formula": "kg = CBM * quantity * density_kg_per_m3, or kg = CBM * quantity / stowage_factor_cbm_per_mt * 1000",
    "limitations": [
      "There is no universal CBM to kg conversion.",
      "Air and ocean volumetric references are planning or billing contexts only.",
      "Use packed gross density for freight planning."
    ],
    "quoteAction": {
      "intent": "freight-quote",
      "url": "https://cargomath.com/quote/",
      "specUrl": "https://cargomath.com/quote/spec.json",
      "method": "POST"
    }
  },
  "contact": {
    "email": "helen@honourocean.com",
    "whatsapp": "8618923724899",
    "quotePage": "https://cargomath.com/quote/"
  },
  "updatedAt": "2026-05-13"
}