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Freight & Logistics Calculators

Freight maths before the carrier does it for you. The India import duty calculator works out Basic Customs Duty, SWS and IGST by HS code, with free trade agreement rates and the landed cost. For shipping, the freight class calculator finds the NMFC density class, the CBM calculator gives cubic metres and how many cartons fit in a 20 ft or 40 ft container, and the dimensional weight calculator shows the billable weight parcel carriers will charge. The DIM weight comparison ranks UPS, FedEx, USPS, DHL, Canada Post, Australia Post and air, road and sea freight on the same box, with the 2026 divisors, rounding rules and surcharge minimums, and there are pages for common box sizes and carrier match-ups.

All freight & logistics calculators

Questions about freight & logistics calculators

Which carrier charges the least dimensional weight?

In the US, USPS for boxes of one cubic foot or less, which it bills at actual weight; above that UPS, FedEx and USPS all divide by 139. Internationally, air cargo and Canada Post Regular Parcel (6000) bill lighter than express couriers (5000). The DIM weight comparison calculator ranks every carrier on your box.