{ "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-shipping-calculator", "title": "Air Freight Shipping Calculator", "shortTitle": "Air Freight Shipping", "canonicalUrl": "https://cargomath.com/tools/air-freight-shipping-calculator/", "endpoints": { "html": "https://cargomath.com/tools/air-freight-shipping-calculator/", "json": "https://cargomath.com/tools/air-freight-shipping-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 an all-in air shipping budget from chargeable weight, rate per kg, freight minimum, origin and destination local charges, delivery, and planning buffer.", "answer": "Air freight shipping cost is estimated from chargeable weight x rate per kg, with any minimum freight charge applied, then local charges, delivery, and a planning buffer added.", "audience": "Amazon FBA, Shopify, and cross-border sellers estimating broad air shipping cost before requesting a live forwarder quote.", "keywords": [ "air freight shipping calculator", "air shipping cost calculator", "air cargo shipping calculator", "air freight shipping cost calculator" ], "faq": [ { "q": "What does this air freight shipping calculator include?", "a": "It includes chargeable weight, rate per kg, freight minimum, origin local charges, destination local charges, final delivery, and a planning buffer." }, { "q": "How is chargeable weight calculated?", "a": "The calculator compares actual gross weight with volumetric weight. Volumetric weight is CBM x 1,000,000 divided by 6000 for standard air freight." }, { "q": "How is this different from an air freight quote calculator?", "a": "This is a broad planning calculator for an air shipping budget. A quote calculator is better for rebuilding a forwarder quote with detailed line items, routing, and service terms." }, { "q": "How is this different from an air freight rates calculator?", "a": "A rates calculator focuses on lane and service USD/kg bands. This shipping calculator uses a known rate and adds minimums, local charges, delivery, and buffer." }, { "q": "How is this different from an air freight price calculator?", "a": "A price calculator focuses on shipment price from a known chargeable weight. This page is broader because it also calculates chargeable weight from CBM and actual weight." }, { "q": "Should I include delivery charges?", "a": "Include delivery for door-to-door comparisons or Amazon FBA delivery planning. Leave it at zero for airport-to-airport comparisons." }, { "q": "Does this include customs duty or import tax?", "a": "No. Customs duty, VAT, tariffs, customs exams, storage, and cargo insurance should be added in a landed-cost workflow." }, { "q": "Why add a planning buffer?", "a": "Use a buffer when dimensions are not final, the shipment is close to a weight break, delivery is remote, or peak-season air capacity is volatile." } ], "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-chargeable-weight-calculator", "title": "Air Freight Chargeable Weight Calculator", "url": "https://cargomath.com/tools/air-freight-chargeable-weight-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": "air-freight-cost-calculator", "title": "Air Freight Cost Calculator — Chargeable Weight to Freight Estimate", "url": "https://cargomath.com/tools/air-freight-cost-calculator/" } ], "machine": { "summary": "Estimate broad air freight shipping cost from chargeable weight, rate per kg, minimum freight, local charges, delivery, 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 shipment volume." }, { "name": "ratePerKg", "type": "number", "required": true, "unit": "USD/kg", "description": "Known air freight shipping rate per chargeable kilogram." }, { "name": "minimumFreightCharge", "type": "number", "unit": "USD", "description": "Minimum air freight charge for the shipment." }, { "name": "originLocalCharges", "type": "number", "unit": "USD", "description": "Pickup, export handling, documentation, or origin fees." }, { "name": "destinationLocalCharges", "type": "number", "unit": "USD", "description": "Arrival handling, destination service, or clearance fees." }, { "name": "deliveryCharge", "type": "number", "unit": "USD", "description": "Final-mile delivery or truck delivery charge." }, { "name": "bufferPercent", "type": "number", "unit": "%", "description": "Planning buffer added to the subtotal." } ], "outputs": [ { "name": "chargeableWeightKg", "type": "number", "unit": "kg", "description": "Higher of actual and volumetric weight." }, { "name": "estimatedShippingCost", "type": "number", "unit": "USD", "description": "Estimated all-in air shipping cost before duties and taxes." }, { "name": "effectiveCostPerKg", "type": "number", "unit": "USD/kg", "description": "Estimated shipping cost divided by chargeable weight." } ], "formula": "volumetric_weight_kg = cbm * 1000000 / 6000; chargeable_weight_kg = max(actual_weight_kg, volumetric_weight_kg); freight = max(chargeable_weight_kg * rate_per_kg, minimum_freight_charge); estimate = (freight + origin_local_charges + destination_local_charges + delivery_charge) * (1 + buffer_percent / 100)", "limitations": [ "Uses the standard 6000 cm3/kg air freight divisor unless a forwarder specifies a different divisor.", "Does not include customs duty, VAT, cargo insurance, storage, remote-area surcharges, dangerous goods, batteries, or oversize handling.", "The entered rate per kg should come from a forwarder quote, rate sheet, or current lane benchmark." ], "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" }