Tools & Knowledge for Shippers
Access calculators, guides, and reference materials designed to help you make smarter shipping decisions and optimize your supply chain.
Explore All ResourcesFreight Class Calculator
Determine the correct NMFC freight class for your shipment based on density, stowability, handling, and liability characteristics.
Density Calculator
Calculate your shipment's density in pounds per cubic foot to ensure accurate freight classification and optimal pricing.
Transit Time Maps
Interactive maps showing standard transit times from origin to destination for LTL, truckload, and intermodal services across North America.
Packing Guides
Step-by-step packing instructions to protect your freight, reduce damage claims, and comply with carrier handling requirements.
Glossary of Terms
Comprehensive A–Z reference covering freight, logistics, and supply chain terminology from Accessorial to Zone Skipping.
FAQ
Answers to the most common questions about shipping, rates, transit times, claims, billing, and working with SDD Freight.
Need Personalized Help?
Our logistics specialists can assess your shipping needs and recommend the right solutions.
Talk to an Expert