How are shipping costs divided?

You might be wondering, how are shipping costs divided? Well, many factors come into play. These factors include weight, dimensional weight, and shipping zones. We’ll also discuss insurance. Once you understand these factors, shipping can become a more affordable option. So, how do you calculate shipping costs? To learn more, make sure to read here: 

Dimensional weight

The rise in ecommerce has led to a shift in shipping costs from package weight to dimensional weight. As ecommerce becomes increasingly popular, carriers find that the space for delivery trucks is limited. Because these trucks are limited in space, shipping companies are increasingly looking for ways to maximize their profit margins by charging based on dimensional weight. As a result, carriers have adopted the DIM method.

The USPS Priority Mail shipping service, can offer lower shipping costs if your company sells items with a high dimensional weight. However, dimensional weight calculation is only applicable to zones five and higher. To get the exact dimensional weight of a package, visit the USPS official dimensional weight calculator. Even if you’re not a seasoned eCommerce seller, dimensional weight does not have to slow your sales. Instead, work with a fulfillment company to save on shipping costs.


Most online retailers will list shipping costs on their checkout pages based on the total weight of the package, and these costs are tied to a tiered structure. When shipping a package, it is important to note that dimensional weight also plays a role in the cost. To calculate this weight, you should multiply the package’s dimensions by the standard DIM divisor. In addition, the shipping carrier may charge an additional handling surcharge if the package is large or bulky.

When shipping commercial goods, carriers usually use the dimensional weight method to determine the shipping cost. This method is also used by third-party logistics (3PL) companies. When shipping a package, the package’s dimensional weight is based on the dimensions of the box and divided by 5000 to calculate the actual weight. For example, if you are shipping loafers domestically, the package’s dimensional weight is 6.94 pounds. However, the actual weight of the loafer is only four pounds.

Shipping zones

When choosing a courier, you should always consider the distance and zone. Depending on your location, shipping zones can make the difference between speedy and slow deliveries. Depending on your zone, you can choose different services and couriers to get your goods to their destination. When shipping a package, the shipping company will decide which zone to send it to based on the distance the package must travel. Shipping zones also affect how long it will take for the package to arrive in a particular location.

You should consider using a third party to store inventory across different shipping locations if you ship many products. Using a third party can help you save a great deal of money by storing your inventory at multiple shipping locations. Likewise, different points of origin can affect the cost of shipping. As for your products’ weight and volume, DIM weight is a factor to consider for many businesses.


How are shipping costs calculated? A good rule of thumb is to divide the total cost of your purchase or sale by the freight percentage. In other words, if you purchased a product worth $500 and paid $25 shipping costs, you will pay 0.05 or 5% freight percentage. However, if you bought something for $100 and were charged $450 for shipping, you would pay $780. So, how should you divide this?

Flat rate

Shipping costs vary by distance, weight, and other factors. Flat rate shipping can make it difficult to represent these factors accurately. For example, customers may not know if their order will incur additional duties or taxes, and it is difficult to estimate how far your package will travel. Flat rate shipping can also be difficult to calculate since carriers must consider distance and weight in determining the shipping costs. Here are some things to keep in mind when using flat rates for international shipping.

When choosing a shipping method, it is important to consider the total cost of all the products in the cart. Flat rate shipping may be a good option if all customers are located in the same city or your target audience is based in a specific region. By setting flat rates, shoppers can see how much their order will cost before they complete their purchase. It is also important to consider the fulfillment process, such as whether or not your delivery options are scalable.


The amount of shipping costs you will pay varies depending on the terms of the sale. Generally, buyers and sellers use Incoterms (International Commercial Terms), predefined commercial terms published by the International Chamber of Commerce.

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