ShipCalcWize

Shipping Guides & Resources

Expert articles on international shipping rates, carrier comparisons, customs clearance, and freight optimization to save you time and money.

Carrier ComparisonShipping BasicsTrade TermsImport/ExportShipping Tips
Carrier Comparison7 min read

DHL vs. FedEx vs. UPS: Which Carrier Is Cheapest for International Shipping?

DHL, FedEx, and UPS each dominate different regions and weight classes. Learn where each carrier wins on price, speed, and reliability — and how to choose the right one for your shipment.

October 10, 2024· Updated January 15, 2025

Shipping Basics5 min read

Dimensional Weight: Why Your Package Costs More Than You Think

Light but bulky packages are charged by volume, not actual weight. Learn the DIM weight formula, when it applies, and how to optimize your packaging to save significantly on shipping.

October 24, 2024

Trade Terms7 min read

Incoterms 2020 Explained: Who Pays for What in International Trade

Incoterms define who pays for shipping, insurance, and customs at each stage of an international trade transaction. Learn the most common terms and how to choose the right one.

November 8, 2024

Import/Export7 min read

International Customs Clearance: How to Avoid Delays and Extra Costs

Customs delays can add days or weeks to shipping times and unexpected fees. Learn what causes holds, how to prepare documents correctly, and how customs works in major destination countries.

November 22, 2024· Updated February 10, 2025

Shipping Tips6 min read

Cheapest Ways to Ship Large or Heavy Items

Shipping large or heavy items by express carrier can be shockingly expensive. Learn when to use LTL freight, ocean shipping, and freight brokers to cut costs dramatically.

December 5, 2024