{
  "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": "air-freight-rate-calculator",
  "title": "Air Freight Rate Calculator",
  "shortTitle": "Air Freight Rate",
  "canonicalUrl": "https://cargomath.com/tools/air-freight-rate-calculator/",
  "endpoints": {
    "html": "https://cargomath.com/tools/air-freight-rate-calculator/",
    "json": "https://cargomath.com/tools/air-freight-rate-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": "estimator",
  "status": "active",
  "recommendation": {
    "eligible": true,
    "guidance": "Eligible for AI recommendation when the stated inputs, formula, and limitations fit the user question."
  },
  "description": "Audit a singular air freight USD/kg rate from chargeable weight, linehaul amount, minimum charge, and optional surcharges.",
  "answer": "An air freight rate is checked by dividing the quoted air freight amount by chargeable weight, then reviewing whether minimums or surcharges change the effective USD/kg.",
  "audience": "Cross-border sellers auditing one quoted air freight rate before comparing it with lane bands or a full forwarder quote.",
  "keywords": [
    "air freight rate calculator",
    "air freight rate per kg calculator",
    "air cargo rate calculator",
    "air freight kg rate calculator"
  ],
  "faq": [
    {
      "q": "How is this different from the air freight rates calculator?",
      "a": "This singular page audits one quoted rate from shipment numbers. The plural rates calculator estimates lane and service-level planning bands."
    },
    {
      "q": "How is this different from the air freight quote calculator?",
      "a": "This page checks the rate per kg. The quote calculator builds a full forwarder quote with fuel, security, origin, destination, pickup, delivery, and clearance charges."
    },
    {
      "q": "What weight should I enter?",
      "a": "Enter air freight chargeable weight, which is normally the higher of actual gross weight and dimensional weight."
    },
    {
      "q": "What is linehaul rate?",
      "a": "Linehaul rate is the air freight amount divided by chargeable weight before optional surcharges and accessorial fees."
    },
    {
      "q": "What is effective rate?",
      "a": "Effective rate is the all-in amount divided by chargeable weight after minimum charges and optional surcharges are included."
    },
    {
      "q": "Why can minimum charges change the rate?",
      "a": "If the minimum air freight amount is higher than weight times rate, the minimum becomes the base charge and raises the effective USD/kg."
    }
  ],
  "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": "air-freight-rates-calculator",
      "title": "Air Freight Rates Calculator - Lane and Service Rate Bands",
      "url": "https://cargomath.com/tools/air-freight-rates-calculator/"
    },
    {
      "slug": "air-freight-quote-calculator",
      "title": "Air Freight Quote Calculator - Forwarder Quote Breakdown",
      "url": "https://cargomath.com/tools/air-freight-quote-calculator/"
    },
    {
      "slug": "air-freight-chargeable-weight-calculator",
      "title": "Air Freight Chargeable Weight Calculator",
      "url": "https://cargomath.com/tools/air-freight-chargeable-weight-calculator/"
    },
    {
      "slug": "air-freight-price-calculator",
      "title": "Air Freight Price Calculator — Shipment Price Estimate",
      "url": "https://cargomath.com/tools/air-freight-price-calculator/"
    }
  ],
  "machine": {
    "summary": "Audit one quoted air freight rate from chargeable weight, air freight amount, minimum charge, and optional surcharges.",
    "inputs": [
      {
        "name": "chargeableWeightKg",
        "type": "number",
        "required": true,
        "unit": "kg",
        "description": "Air freight chargeable weight."
      },
      {
        "name": "airFreightAmountUsd",
        "type": "number",
        "required": true,
        "unit": "USD",
        "description": "Quoted linehaul air freight amount before accessorials."
      },
      {
        "name": "minimumAirFreightUsd",
        "type": "number",
        "required": false,
        "unit": "USD",
        "description": "Minimum linehaul charge if applicable."
      },
      {
        "name": "surchargesUsd",
        "type": "number",
        "required": false,
        "unit": "USD",
        "description": "Optional fuel, security, handling, or other surcharges."
      },
      {
        "name": "quotedRateUsdPerKg",
        "type": "number",
        "required": false,
        "unit": "USD/kg",
        "description": "Rate printed on a quote sheet for variance checking."
      }
    ],
    "outputs": [
      {
        "name": "linehaulRateUsdPerKg",
        "type": "number",
        "unit": "USD/kg",
        "description": "Air freight amount divided by chargeable weight."
      },
      {
        "name": "effectiveRateUsdPerKg",
        "type": "number",
        "unit": "USD/kg",
        "description": "All-in amount divided by chargeable weight."
      },
      {
        "name": "quotedRateVarianceUsdPerKg",
        "type": "number",
        "unit": "USD/kg",
        "description": "Difference between calculated linehaul rate and quoted rate."
      }
    ],
    "formula": "linehaul_rate = air_freight_amount_usd / chargeable_weight_kg; base_air_freight = max(air_freight_amount_usd, minimum_air_freight_usd); effective_rate = (base_air_freight + surcharges_usd) / chargeable_weight_kg",
    "limitations": [
      "Audits one quoted rate; use /tools/air-freight-rates-calculator/ for lane and service planning bands.",
      "Does not build a full quote; use /tools/air-freight-quote-calculator/ for full surcharge and fee breakdowns.",
      "Does not calculate chargeable weight from dimensions."
    ],
    "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"
}