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Shipping calculator

A shipping calculator, often referred to as a freight shipping calculator, is an essential online tool designed to estimate the cost of transporting goods from one location to another. It integrates various data points, including package dimensions, weight, origin, and destination, to provide users with a quick and accurate estimation of shipping costs. These calculators are especially useful for businesses and individuals looking to make informed decisions about their shipping options, allowing them to compare prices across different carriers like USPS, UPS, and various freight services.

How to calculate shipping costs

Calculating shipping costs effectively requires understanding the factors that influence these costs. Key considerations include:

  • Package weight and dimensions: The weight and size of your shipment are primary factors in determining the cost. Heavier and larger items typically cost more to ship.
  • Distance: Shipping costs generally increase with the distance between the origin and destination.
  • Shipping speed: Expedited shipping services cost more than standard shipping options.
  • Carrier rates: Different carriers, including USPS, UPS, and freight carriers, have varying rate structures. Utilizing their specific shipping cost calculators, like the USPS shipping calculator or the UPS shipping calculator, can help pinpoint the most cost-effective option.
  • Type of goods: Fragile, perishable, or hazardous materials may require special handling, influencing the overall cost.
  • Additional services: Services such as insurance, tracking, and delivery confirmation can add to the shipping cost.



Air Freight

Air freight, charters, FCL and LCL cargo between any two global points.

Ocean Freight

As a leading ocean freight forwarder, Interworld Freight specializes in shipping goods to, from, and within the Americas.

Road Freight

Pickup and delivery, nationwide truck brokerage, LTL and full truckload final mile options for domestic trucking needs.


From pallet-level storage through complex, piece-level e-Commerce distribution by truck, post or courier.

Project Cargo

Oversize, out of gauge, overdimensional pieces, RO/RO or time-charter vessels.

Shipping Container

Interworld Freight offers competitive international container shipping rates that not only reflect affordability but also guarantee reliability, convenience, and peace of mind.