What is NMFC? Complete Freight Class Guide (2025)
Learn how NMFC classification works, calculate PCF density, understand the 18 freight classes, and avoid costly re-class fees.
Expert strategies on NMFC freight class, dimensional weight, carrier fees, and cost optimization for warehouse managers and logistics professionals.
Learn how NMFC classification works, calculate PCF density, understand the 18 freight classes, and avoid costly re-class fees.
Misclassifying LTL freight is the #1 cause of carrier re-bills. Learn the density rule, PCF calculation, and common mistakes to avoid.
The full history of how UPS and FedEx rewrote parcel pricing in 2015 — and what the 139 divisor means for your shipping costs today.
Carrier adjustments killing your margins? Here are 5 proven strategies to bulletproof your BOLs and eliminate re-class fees.
Furniture is typically Class 70, 85, or 100. Learn the exact PCF formula, common mistakes, and how to avoid $340+ re-class fees.
Stop carrier re-bills. The 7 most expensive Bill of Lading errors and how to bulletproof your BOLs permanently.
We reviewed the top dimensional weight calculators for UPS, FedEx, and DHL. Find the fastest tool and stop overpaying for air.
Compare the top NMFC freight class calculators. Stop carrier re-class fees with accurate PCF density calculations.
Master dimensional weight for all carriers. Learn formulas, divisors, and cost-saving strategies.
Calculate DHL DIM weight with correct divisors. International and domestic DHL Express guide.
When do carriers charge dimensional vs actual weight? Optimize packaging to reduce costs.
Calculate air freight DIM weight with divisor 166 or 6000. International air cargo pricing.
Master LTL classification tools. Avoid re-class fees with proper freight classification.
Step-by-step NMFC calculator guide. PCF density calculations and freight class lookup.
Effective July 19, 2025. Classes 77.5, 110, 150, and 200 removed from density outputs. Full breakdown of what changed, who's affected, and the 5-step action checklist.
Released February 6, 2026. Thousands more items moved to density-first. Public meeting March 10. Here's what changed and the 4-step checklist to prepare.
Free calculators vs enterprise hardware vs freight audit platforms. Which verification tool catches carrier billing errors — and which one you actually need.
Stop overpaying for freight. Use our free calculators to apply what you've learned and save thousands on shipping costs.
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Freight class, PCF density, and NMFC compliance
Reduce carrier fees and shipping costs
Industry standards and proven strategies
Our blog focuses on three main areas: NMFC freight classification and PCF density calculations, cost optimization strategies to reduce carrier fees, and logistics best practices including re-weigh prevention and dimensional weight pricing. All content is written for warehouse managers, freight coordinators, and logistics professionals.
We publish comprehensive freight guides monthly, focusing on high-impact topics that directly reduce shipping costs or prevent carrier fees. Each guide is thoroughly researched and includes practical examples from real warehouse operations.
Absolutely! Each blog guide is designed to work alongside our free calculators. For example, our NMFC guide teaches freight class concepts, then you can use our Freight Class Calculator to apply what you learned. The guides explain the "why" and calculators handle the "how."
Most guides focus on LTL (Less-Than-Truckload) shipping since that's where freight classification, dimensional weight, and re-class fees are most critical. However, load planning guides apply to both LTL and FTL. We clearly indicate the shipping mode at the start of each article.
Our current guides focus on US domestic LTL freight (NMFC classification) and parcel shipping (dimensional weight). For international ocean freight, use our Container Load Planner tool. We may expand to international topics like HS codes and Incoterms in future guides.
Yes! Use the contact form in the footer to suggest topics. We prioritize guides that solve real cost problems for warehouse managers. Common requests include carrier contract negotiations, BOL best practices, and avoiding specific accessorial charges.