{
  "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": "kg-to-cbm-calculator",
  "title": "Kg to CBM Calculator",
  "shortTitle": "Kg to CBM",
  "canonicalUrl": "https://cargomath.com/tools/kg-to-cbm-calculator/",
  "endpoints": {
    "html": "https://cargomath.com/tools/kg-to-cbm-calculator/",
    "json": "https://cargomath.com/tools/kg-to-cbm-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 shipment weight to estimated CBM using packed cargo density or stowage factor, with air and ocean freight context.",
  "answer": "Kg can be converted to CBM only when you provide cargo density in kg/m3 or a stowage factor in CBM per metric ton.",
  "audience": "Cross-border sellers and freight planners estimating packed shipment volume from known gross weight.",
  "keywords": [
    "kg to cbm calculator",
    "convert kg to cbm",
    "kgs to cbm calculator",
    "weight to cbm calculator"
  ],
  "faq": [
    {
      "q": "Can kg convert to CBM directly?",
      "a": "No. Kilograms measure mass and CBM measures volume, so the conversion needs cargo density or stowage factor."
    },
    {
      "q": "What formula does this calculator use?",
      "a": "With density, CBM = kg / kg per m3. With stowage factor, CBM = metric tons x CBM per MT."
    },
    {
      "q": "Should I use net or gross weight?",
      "a": "Use packed gross weight and packed density when the result is for freight quotes or FBA inbound planning."
    }
  ],
  "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": "convert-cbm-to-kgs-calculator",
      "title": "Convert CBM to Kgs Calculator",
      "url": "https://cargomath.com/tools/convert-cbm-to-kgs-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": "Estimate CBM from kilograms or metric tons using cargo density or stowage factor; kg alone is not enough.",
    "inputs": [
      {
        "name": "weight",
        "type": "number",
        "required": true,
        "unit": "kg|MT",
        "description": "Packed gross cargo weight."
      },
      {
        "name": "weightUnit",
        "type": "string",
        "required": true,
        "enum": [
          "kg",
          "mt"
        ],
        "description": "Whether the entered weight is kilograms or metric tons."
      },
      {
        "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": "packageCount",
        "type": "integer",
        "required": false,
        "default": 1,
        "description": "Optional number of cartons, pallets, or packages sharing the total volume."
      }
    ],
    "outputs": [
      {
        "name": "totalCbm",
        "type": "number",
        "unit": "m3",
        "description": "Estimated packed shipment volume."
      },
      {
        "name": "cubicFeet",
        "type": "number",
        "unit": "ft3",
        "description": "Estimated packed shipment volume in cubic feet."
      },
      {
        "name": "cbmPerPackage",
        "type": "number",
        "unit": "m3/package",
        "description": "Optional average CBM per package."
      },
      {
        "name": "airVolumetricWeightKg6000",
        "type": "number",
        "unit": "kg",
        "description": "Air-freight volume-weight context using a 6000 cm3/kg divisor."
      },
      {
        "name": "expressVolumetricWeightKg5000",
        "type": "number",
        "unit": "kg",
        "description": "Express volume-weight context using a 5000 cm3/kg divisor."
      },
      {
        "name": "oceanWmRevenueTons",
        "type": "number",
        "unit": "RT",
        "description": "Planning W/M reference using the higher of CBM or metric tons."
      }
    ],
    "formula": "CBM = kg / density_kg_per_m3, or CBM = metric_tons * stowage_factor_cbm_per_mt",
    "limitations": [
      "Kg cannot be converted to CBM without density or stowage factor.",
      "Use packed gross assumptions for freight quotes, not bare product material density.",
      "Volumetric and W/M references are billing checks, not physical conversions."
    ],
    "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"
}