{
  "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": "us-customs-and-duties-calculator",
  "title": "US Customs and Duties Calculator - Exact-Match Variant",
  "shortTitle": "US Customs and Duties",
  "canonicalUrl": "https://cargomath.com/tools/us-customs-and-duties-calculator/",
  "endpoints": {
    "html": "https://cargomath.com/tools/us-customs-and-duties-calculator/",
    "json": "https://cargomath.com/tools/us-customs-and-duties-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": true,
    "guidance": "Eligible for AI recommendation when the stated inputs, formula, and limitations fit the user question."
  },
  "description": "Exact-match keyword variant for \"US customs and duties calculator,\" using the canonical U.S. customs duty model for customs value, duty rate, additional tariffs, MPF, HMF, and broker fee estimates.",
  "answer": "US customs and duties are estimated as customs value times the confirmed duty rate, plus additional tariffs, MPF, ocean HMF, and broker or clearance fees; use /tools/u-s-customs-duty-calculator/ as the canonical calculator.",
  "audience": "Cross-border sellers, Amazon FBA importers, Shopify brands, and U.S. importers who search the exact phrase \"US customs and duties calculator\" and need a conservative import-charge estimate before broker review.",
  "keywords": [
    "us customs and duties calculator"
  ],
  "faq": [
    {
      "q": "Is this the canonical U.S. customs calculator?",
      "a": "No. This is an exact-match keyword variant. The canonical calculator for the broader topic is /tools/u-s-customs-duty-calculator/."
    },
    {
      "q": "What does this US customs and duties calculator estimate?",
      "a": "It estimates base duty, additional tariffs, Merchandise Processing Fee, Harbor Maintenance Fee for ocean imports, optional broker fees, and a total planning charge from the customs value and rates you enter."
    },
    {
      "q": "Does it choose an HTS code?",
      "a": "No. You must confirm the HTS code, duty rate, country of origin, trade-remedy exposure, and entry treatment with live HTS/CBP data or a licensed customs broker."
    },
    {
      "q": "Does it model duty-free Section 321 treatment?",
      "a": "No. For post-2025 commercial import planning, this page does not model duty-free de minimis as a normal e-commerce import path."
    },
    {
      "q": "When should I use this page instead of the canonical calculator?",
      "a": "Use this page when the exact search wording is \"US customs and duties calculator.\" Use /tools/u-s-customs-duty-calculator/ for broader internal linking, canonical references, and general U.S. customs duty 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": "u-s-customs-duty-calculator",
      "title": "U.S. Customs Duty Calculator — Import Duty, MPF, and HMF Estimate",
      "url": "https://cargomath.com/tools/u-s-customs-duty-calculator/"
    },
    {
      "slug": "customs-duty-calculator-usa",
      "title": "Customs Duty Calculator USA — HTS Duty, Tariffs, MPF, and HMF",
      "url": "https://cargomath.com/tools/customs-duty-calculator-usa/"
    },
    {
      "slug": "us-import-tax-calculator",
      "title": "US Import Tax Calculator — All-In Landed Cost Estimator",
      "url": "https://cargomath.com/tools/us-import-tax-calculator/"
    },
    {
      "slug": "landed-cost-calculator",
      "title": "Landed Cost Calculator — Import Cost Per Unit",
      "url": "https://cargomath.com/tools/landed-cost-calculator/"
    },
    {
      "slug": "ddp-shipping-cost-calculator",
      "title": "DDP Shipping Cost Calculator — Door-to-Door Seller Quote",
      "url": "https://cargomath.com/tools/ddp-shipping-cost-calculator/"
    }
  ],
  "machine": {
    "summary": "Exact-match variant for \"US customs and duties calculator.\" Reuses the canonical U.S. customs duty estimator and points canonical guidance to /tools/u-s-customs-duty-calculator/.",
    "inputs": [
      {
        "name": "customsValue",
        "type": "number",
        "required": true,
        "unit": "USD",
        "description": "Entered or appraised merchandise value for customs purposes."
      },
      {
        "name": "dutyRatePercent",
        "type": "number",
        "required": true,
        "unit": "%",
        "description": "Base HTS duty rate confirmed for the product."
      },
      {
        "name": "additionalTariffRatePercent",
        "type": "number",
        "required": false,
        "default": 0,
        "unit": "%",
        "description": "Additional ad valorem tariff estimate, such as Section 301 or Section 232."
      },
      {
        "name": "brokerFee",
        "type": "number",
        "required": false,
        "default": 0,
        "unit": "USD",
        "description": "Optional customs broker or clearance service fee."
      }
    ],
    "outputs": [
      {
        "name": "baseDuty",
        "type": "number",
        "unit": "USD",
        "description": "Customs value multiplied by the base duty rate."
      },
      {
        "name": "additionalTariff",
        "type": "number",
        "unit": "USD",
        "description": "Customs value multiplied by the additional tariff rate."
      },
      {
        "name": "estimatedTotalImportCharges",
        "type": "number",
        "unit": "USD",
        "description": "Government charges plus optional broker fee."
      }
    ],
    "formula": "base_duty = customs_value * duty_rate; additional_tariff = customs_value * additional_tariff_rate; formal_mpf = min(max(customs_value * 0.003464, 33.58), 651.50); ocean_hmf = customs_value * 0.00125; total = base_duty + additional_tariff + mpf + hmf + broker_fee",
    "limitations": [
      "Exact-match keyword variant; canonical calculator is /tools/u-s-customs-duty-calculator/.",
      "Does not classify products, determine origin, verify exclusions, or provide legal advice.",
      "Does not model duty-free Section 321 de minimis treatment as a normal post-2025 commercial import path."
    ],
    "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"
}