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11 Factors That Influence Freight Shipping Costs

In an industry so large, you might think there would be a freight shipping cost standard. But there isn’t one. Because freight shipping costs depend on so many factors, getting an accurate freight shipping estimate is surprisingly complicated.

Part of it is the regional nature of shipping. Some carriers serve specific regions or shipping lanes better than others and can manage a smaller area meticulously. But shipping costs can vary for many reasons and can end up being quite different from the broker’s original quote. Rates might also differ from carrier to carrier.

freight shipping costs

11 factors that influence freight shipping costs

Shipping is a multi-layered industry with a lot of variables to take into account. Here are 11 things that affect shipping costs and what they mean to you.

1. Dimensions and weight

When shipping a truckload (or trailer full) of goods, you’re usually charged a per-mile rate — called a per-hundred weight charge — plus fuel costs. This is a pretty simple calculation. But in the case of “less than truckload” (LTL) shipping, the cargo dimensions and weight determine the cost. Weight rates are structured so that the heavier your load, the less you pay per 100 pounds (“per hundred-weight”). 

Dimensions are measured in cubic feet. The freight’s cubic feet and weight help determine the next factor in shipping cost: freight density.

2. Freight density

To determine shipping costs, you also need to know your freight density. Calculate freight density by dividing the total weight of your shipment by the total cubic feet. For shipments on a pallet, use the dimensions of the pallet. Be sure to include the pallet weight in the overall shipment weight. Always measure the longest side, including any overhangs beyond the pallet.

3. Freight class

Freight class is more complicated. Each freight piece falls into one of 18 classes established by the National Motor Traffic Association in the National Motor Freight Classification book. The lower the class, the less expensive it is to ship.

Several factors determine class, including:

  • Product density
  • Value
  • Stow-ability
  • Handling
  • Liability

Lower class loads have higher density, are easier to handle, and are the least susceptible to damage. Lighter, more fragile loads fall into a higher class and cost more to ship; this freight tends to take up more room and is harder to handle.

4. Distance freight is shipped

How much does freight shipping cost from state to state? Well, the greater distance the freight has to go, the higher the cost. Regional carriers typically serve a particular area. If goods are shipped outside that area, the regional carrier will have to transfer them to another carrier that delivers in that Zip code.

This practice, called interlining, often negates any discounts you might get for shipping within specific areas. Other costs are usually involved, too.

5. Destination type

The more conditions your shipment has to the final destination, the greater the cost. Drivers also factor in the cost of time spent at a delivery site. The harder it is to deliver with a fast turnaround, the more your shipping will cost you. 

Here are some other locations with potential conditions that could impact your shipping costs:

  • Storage units
  • Churches
  • Schools
  • Commercial establishments not open to the public (with a guardhouse and fencing, for example)
  • Military installations
  • Construction sites
  • Farms
  • Fairs or carnivals

6. Shipping mode

Shipping mode refers to how fast you need your shipment to arrive. You can choose expedited shipping for urgent timeframes, but it’s more expensive. Consolidated freight shipping with a more flexible time window saves you money.

This particular factor might be out of your control if your customer needs the goods by a specific time. But if you can plan shipments ahead, you’re more likely to get the best rates available.

7. Fuel costs

Shipping rates go up when fuel costs, especially diesel, are higher in a specific area due to taxes, market forces, or other regional factors. When fuel prices drop, shipping costs should go down accordingly. If fuel prices are volatile at the time you’re shipping, carriers might set their rates higher to protect themselves against sudden fuel price hikes. 

Keep in mind that state-to-state shipping is often more expensive due to fuel costs as well. State fuel rates vary broadly based on local and state taxes. The fuel costs in your area may not be the same as fuel costs in the shipment area. Some truckers use fuel surcharge calculators to estimate these costs, which are generally factored into shipping costs. 

8. Freight demand

The law of supply-and-demand applies to shipping as well. If space on trucks is limited, carriers may sell that space at a premium rate. But if shipping is slow, costs might dip lower as carriers try to fill trailers.

The shipping demand and the number of carriers in your area can dramatically affect your shipping costs, which might also vary from company to company. It’s always wise to shop around whenever possible.

9. Deadhead miles

Carriers don’t like partial loads or, worse, deadhead miles – driving with an empty trailer. The added cost of deadhead miles often comes up in rural areas. If you have to drive an empty trailer a long way to the next destination, that’s lost revenue.

10. Carrier minimums

All carriers have minimum rates. If a shipment falls below that minimum, you’ll be charged the minimum anyway, no matter how small your shipment is. For the most part, you should ensure that you have a shipment above the minimum before contracting a shipper or explore alternate shipping methods like FedEx and UPS.

11. Accessorial charges

If your shipment requires things like lift gates, inside delivery, residential delivery, or poses other access challenges for drivers, account for those challenges into your freight shipping rates. Commercial shipping is designed ideally for dock-to-dock shipping. Any variation from that will result in you being charged for the inconvenience. Accessorial charges can be anything from delivery to a strip mall to call-ahead appointments. Make sure you know all of those possibilities upfront and factor them into the cost of each job. 

laptop screen showing rate analysis

If it feels like there are a lot of factors to consider, you’re right! How do you get the best rates every time? One way is to use the Truckstop.com Rate Analysis Tool. It compares your load rate against thousands of similar loads and more than one million power units (the tractor that pulls the load). The intelligent system helps you determine benchmark rates for your shipment.

Freight shipping rates depend on multiple elements. Understanding those elements and using online tools can help you get a great rate for every load, whether you’re shipping state-to-state or across town.

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