What are you looking for?

Explore our services and discover how we can help you achieve your goals

Search across all pages, posts, and content. Use arrow keys to navigate results.

Get Started with the Freight Class Calculator

Key Takeaways

  • Precision Pricing: Using a Freight Class Calculator is the first step in avoiding re-bills; however, density is only one of the four pillars used by the NMFTA to determine your final rate.

  • Financial Protection: Accurate classification prevents “hidden” costs like inspection fees and weight adjustments that erode your per-unit margins.

  • Strategic Integration: Centralizing your freight data through BlueShip® ensures that your calculated classes are applied consistently across all carriers in your network.

Freight rate calculator
Shipping option
Pickup/delivery information
Shipment information
Pickup/delivery information
Shipment information

limit of 70 characters

icons white shippers
7500+ Daily Shippers
icons white carriers
23,000+ Vetted Carriers
icons white offices
8 U.S. & Mexico Offices
icons white shipments
1M+ Shipments Managed
  • Federal Motor Carrier Safety Administration (FMCSA)
  • Transport Topics 2025 Top Freight Brokerage Firm award received by BlueGrace Logistics
  • FreightWaves FreightTech 2025 award received by BlueGrace Logistics
  • Inbound Logistics Green Partner 2025 award received by BlueGrace Logistics
  • Transport Topics Top 100 Logistics Company 2025 award received by BlueGrace Logistics
  • SmartWay Partner 2025 award received by BlueGrace Logistics
  • Food Logistics Rockstars of the Supply Chain 2025 award received by BlueGrace Logistics
  • Great Supply Chain Partner 2025 award received by BlueGrace Logistics
  • Florida Top 3PL 2025 award received by BlueGrace Logistics
  • SupplyChainBrain 100 Great Supply Chain Partners 2025 award received by BlueGrace Logistics
  • EcoVadis Bronze Sustainability Rating 2025 awarded to BlueGrace Logistics
  • Hispanic Business Enterprise 2025 certification awarded to BlueGrace Logistics
  • Women in Supply Chain 2025 award from Supply & Demand Chain Executive recognizing leadership at BlueGrace Logistics
  • Logistics Management Quest for Quality 2025 award received by BlueGrace Logistics

What is a Freight Class Calculator

A freight class calculator is a tool that helps you determine the estimated freight class for your palletized, LTL freight shipment. These freight classifications are based on the standardized National Motor Freight Classifications (NMFC). By following the steps below, it helps youe calculate accurate pricing and efficient shipping.

By following the steps below, you can determine your LTL freight class. Consider weight, measurements, and density, and ensure that you reference the NMFTA classification system for proper assignment.

Don’t hesitate to contact our freight experts with any questions.

Warehouse of Less-Than-Truckload (LTL) Less‑Than‑Truckload (LTL) shipping pallets and pallet jack
Logistics professional with a laptop and a warehouse scene showing stacked boxes on a pallet

Step by Step: Freight Class Calculation

  • Weight: Begin by weighing your freight using a calibrated NTEP-certified floor or forklift scale. Include the weight of the pallet and packaging. Measure in pounds for the density calculation.
  • Measurement: Measure the widest, longest, and highest points of your shipment, including any overhang or protrusions. Standard pallets are typically 48 inches long and 40 inches wide.
  • Density: Calculate the density of your shipment:
    • Cubic Feet: Multiply length x width x height, then divide by 1,728 (cubic inches per cubic foot). Formula: (L x W x H) / 1728
    • Calculate Density: Divide shipment weight by cubic feet. Formula: weight / cubic feet = density
  • Assign Your Freight Class: Use the NMFTA class-based grading system, ranging from 50 to 500. Freight classes are primarily determined by density (weight per cubic foot), but factors like value, stowability, handling, and liability can also impact classification. Refer to an official NMFC code book to confirm the correct freight class.

+ System Integrations

% On-Time Delivery

Freight Class Chart

 

Freight class code Type of freight Weight per cubic ft
50 Durable freight that fits on a standard 4′ x 4′ pallet 50+ lbs.
55 Bricks, cement, hardwood flooring, construction materials 35–50 lbs.
60 Car accessories, car parts 30–35 lbs.
65 Car accessories and parts, boxed books, bottled drinks 22.5–30 lbs.
70 Car accessories and parts, auto engines, food items 15–22.5 lbs.
77.5 Tires, bathroom fixtures 13.5–15 lbs.
85 Crated machinery, cast iron stoves 12–13.5 lbs.
92.5 Computers, monitors, refrigerators 10.5–12 lbs.
100 Car covers, canvas, boat covers, wine cases, caskets 9–10.5 lbs.
110 Cabinets, framed art, table saws 8–9 lbs.
125 Small home appliances 7–8 lbs.
150 Auto sheet metal, bookcases 6–7 lbs.
175 Clothing, couches, stuffed furniture 5–6 lbs.
200 Sheet metal parts, aluminum tables, packaged mattresses, aircraft parts 4–5 lbs.
250 Mattresses and box springs, plasma TVs, bamboo furniture 3–4 lbs.
300 Model boats, assembled chairs, tables, wood cabinets 2–3 lbs.
400 Light fixtures 1–2 lbs.
500 Gold dust, ping pong balls <1 lb.

What Our Clients Are Saying

Our clients consistently highlight the reliability, transparency, and cost-saving impact of partnering with BlueGrace. From small businesses to large enterprises, companies across the country trust our team to manage their LTL shipments efficiently, ensuring on-time delivery and reducing freight expenses. These testimonials reflect not just satisfaction with our services, but confidence in a logistics partner that understands their unique shipping challenges.

Sarah Thompson
Operations Manager, GreenLeaf Supplies

“BlueGrace has completely transformed the way we handle LTL shipments. Their team helped us reduce freight costs by 12% while improving delivery times, and the visibility into every shipment gives us peace of mind. They truly act as an extension of our operations team.”

infinia infinia infinia infinia infinia
David Ramirez
CEO, Horizon Electronics

“We rely on BlueGrace for all of our nationwide LTL shipments. Their personalized support and intelligent routing solutions have made our supply chain much more efficient. The real-time tracking and proactive communication set them apart from any other provider we’ve worked with.”

infinia infinia infinia infinia infinia
Emily Chen
Logistics Coordinator, Summit Retailers

“Partnering with BlueGrace has been a game-changer. Their team understands our business needs, provides cost-effective solutions, and ensures every shipment arrives on time. We finally have a freight partner we can trust, and it shows in our operational performance.”

infinia infinia infinia infinia infinia
bluegrace

Technology & AI Supply Chain

Through seamless TMS integration, our BlueShip® technology takes in your product dimensions and weights to provide instant, accurate class suggestions. Our technology goes a step further by tracking carrier-specific behavior. If our AI identifies that certain carriers are disproportionately inspecting specific classes in your region, we pivot your strategy to more compliant partners. This proactive oversight ensures that your data isn’t just accurate; it’s strategically positioned to avoid friction.

Warehousing & Fulfillment for Your Business

Proper classification begins at the pallet jack. Our warehousing and fulfillment strategies emphasize standardizing your packaging to optimize density. BlueGrace analysts work with your fulfillment teams to improve palletization techniques, ensuring you occupy the least amount of space while maintaining maximum product protection. This cooperation between storage and transport is essential for lowering your total landed cost.

Blurred view of worker carting boxes in warehouse

Proven Results

M+

Shipments

%

Cost Savings

%

On-Time Delivery

Eliminate Classification Risk with BlueGrace

Incorrect freight classes are an unnecessary tax on your supply chain. At BlueGrace Logistics, we demonstrate our standing as a Transport Topics Top 100 Logistics Company by providing the technology and the partnership required to ensure your classification is accurate, your quotes are solid, and your margins are protected. Stop guessing at your LTL Class and start mastering your freight data.

Speak to a Managed Logistics Expert | Request a Freight Assessment

Smiling woman in a blue professional shirt at an office conference table with colleagues collaborating.

There are 18 distinct classes, ranging from Class 50 (dense, easy to handle) to Class 500 (light, bulky, or high-value).

Not always, while density is the main driver for a Freight Class Calculator, the NMFTA also considers stowability, ease of handling, and liability (risk of theft or damage).

The carrier will likely inspect the freight and issue a re-bill. This includes the corrected rate plus an additional “inspection fee,” which can significantly inflate your shipping costs.

National Motor Freight Classification (NMFC) codes are standardized IDs assigned to specific commodities. They dictate the class based on the product type rather than just its measurements.

Lower classes represent freight that is heavy, compact, and less likely to be damaged. Carriers prefer this freight because it maximizes trailer “cube” and weight utilization.

Yes, if you have a certified weight ticket and accurate dimensions, BlueGrace can use that data to dispute the re-bill and recover the overcharged amount.

This refers to how easily the freight can be stacked or placed around other cargo. Items that are “non-stackable” or have irregular shapes often receive a higher class.

If a product is highly susceptible to theft, spontaneous combustion, or damage to other freight (like chemicals), it is assigned a higher class to account for the carrier’s risk.

Yes, for an accurate LTL Class, you must include the weight and dimensions of the pallet, shrink wrap, and any dunnage used.

The NMFTA updates the classification standards several times a year. Our Managed Logistics team stays current on these changes to keep your routing guides compliant.