Astromar Logistics

Freight Cost Calculator for Importers & Exporters

Free freight calculators for importers and exporters — estimate CBM and container loading, volumetric weight, import duty and landed cost, export pricing, air vs sea, and demurrage. No signup; your data stays in your browser.

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CBM Calculator

CBM / Load Simulator

Get your container optimization plan

Recommend the best container, render a 3D loading plan

Pro tip · Pro tip: For sea freight, chargeable weight uses CBM × 1000 ÷ 5. Add multiple item rows for mixed cargo.

Item 1

Lencm
Wtkg
CBM0.0000

Get container optimization plan

Find the best-fit container for your cargo and get an interactive 3D loading plan with row-by-row instructions — ready for your forwarder.

  • Best-fit container
  • 3D loading plan
  • Loading video
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CBM & Container Loading Calculator

Calculate the total CBM (cubic meters) of your cargo and get a 3D container loading plan showing how it fits a 20ft or 40ft container — ideal for sea freight and LCL shipments.

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Volumetric Weight Calculator

Find the volumetric (chargeable) weight of an air shipment from its dimensions, so you know whether the airline bills on actual or volumetric weight before you book.

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Import Duty Calculator (India)

Estimate the landed cost of an import into India — basic customs duty, GST, and applicable surcharges on your CIF value — to see the total duty payable before you ship.

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Export Price Calculator (FOB / CIF)

Work out your export price across Incoterms by adding freight, insurance, and margin to your ex-works cost, and convert between FOB and CIF terms for accurate quotes.

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Air vs Sea Freight Comparison

Compare the total cost and transit time of air versus sea freight for the same shipment, so you can choose the cheaper or faster option with confidence.

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Demurrage & Detention Calculator

Estimate demurrage and detention charges from your free days and daily rates, and flag shipments where slow clearance could run up costly port charges.

Frequently asked questions