{ "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": "international-air-freight-calculator", "title": "International Air Freight Calculator - Route and Service Estimate", "shortTitle": "International Air Freight", "canonicalUrl": "https://cargomath.com/tools/international-air-freight-calculator/", "endpoints": { "html": "https://cargomath.com/tools/international-air-freight-calculator/", "json": "https://cargomath.com/tools/international-air-freight-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": "Estimate international air freight by route, service scope, chargeable weight, pickup/export charges, destination delivery charges, airline minimum, and planning buffer.", "answer": "International air freight is estimated from chargeable weight, route/service USD per kg rates, airline minimums, origin and destination service charges, and a planning buffer.", "audience": "Cross-border sellers comparing international air freight routes and service scopes before requesting a live quote.", "keywords": [ "international air freight calculator", "international air cargo calculator", "international air freight estimate", "air freight route calculator", "door to door air freight calculator" ], "faq": [ { "q": "What does this international air freight calculator estimate?", "a": "It estimates a route-and-service budget from chargeable weight, international lane rate, service scope, origin pickup/export charges, destination clearance/delivery charges, airline minimum, and buffer." }, { "q": "How is this different from an air freight quote calculator?", "a": "This page is for early route and service selection. Use a quote calculator when you already have line items from a forwarder and need to rebuild the quoted total." }, { "q": "How is this different from an air freight price calculator?", "a": "A price calculator focuses on the rate per kg or sell price. This calculator focuses on the broader international service estimate: lane, scope, chargeable weight, local services, and transit range." }, { "q": "How is chargeable weight calculated?", "a": "The calculator compares actual gross weight with volumetric weight using the standard 6000 cm3/kg air freight divisor, equal to about 166.7 kg per CBM." }, { "q": "What service scope should I choose?", "a": "Use airport-to-airport when another party handles trucking and clearance, door-to-airport when origin pickup is included, and door-to-door when you need destination clearance and delivery included." }, { "q": "Does this include customs duty or import tax?", "a": "No. This estimates freight and service charges only. Customs duty, VAT, sales tax, cargo insurance, storage, exams, and special cargo surcharges should be modeled separately." }, { "q": "When should I use the high estimate?", "a": "Use the high estimate for launch planning, urgent replenishment, peak season, dense delivery zones, or when dimensions and pickup terms are still uncertain." } ], "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-estimate-calculator", "title": "Air Freight Estimate Calculator - Early Planning Range", "url": "https://cargomath.com/tools/air-freight-estimate-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-rates-calculator", "title": "Air Freight Rates Calculator - Lane and Service Rate Bands", "url": "https://cargomath.com/tools/air-freight-rates-calculator/" }, { "slug": "air-freight-price-calculator", "title": "Air Freight Price Calculator — Shipment Price Estimate", "url": "https://cargomath.com/tools/air-freight-price-calculator/" }, { "slug": "volumetric-weight-calculator-for-air-freight", "title": "Volumetric Weight Calculator for Air Freight", "url": "https://cargomath.com/tools/volumetric-weight-calculator-for-air-freight/" } ], "machine": { "summary": "Estimate international air freight by route, service scope, chargeable weight, service charges, airline minimum, and buffer.", "inputs": [ { "name": "actualWeightKg", "type": "number", "required": true, "unit": "kg", "description": "Actual packed gross weight." }, { "name": "totalCbm", "type": "number", "required": true, "unit": "m3", "description": "Total packed cargo volume." }, { "name": "route", "type": "string", "required": true, "enum": [ "china-us", "china-europe", "vietnam-us", "india-us", "custom" ], "description": "International trade lane preset or custom route." }, { "name": "service", "type": "string", "required": true, "enum": [ "airport-to-airport", "door-to-airport", "door-to-door-economy", "door-to-door-priority" ], "description": "International air freight service scope." } ], "outputs": [ { "name": "estimateLow", "type": "number", "unit": "USD", "description": "Low route and service estimate." }, { "name": "estimateHigh", "type": "number", "unit": "USD", "description": "High route and service estimate including buffer." }, { "name": "chargeableWeightKg", "type": "number", "unit": "kg", "description": "Higher of actual and volumetric weight." } ], "formula": "volumetric_weight_kg = cbm * 166.7; chargeable_weight_kg = max(actual_weight_kg, volumetric_weight_kg); estimate = max(chargeable_weight_kg * route_service_rate, airline_minimum) + origin_destination_service_charges + buffer", "limitations": [ "Uses planning rate bands, not live airline capacity.", "Does not include customs duty, VAT, cargo insurance, storage, exams, or special cargo handling.", "Transit ranges depend on flight space, consolidation cutoff, customs, and destination trucking." ], "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" }