Fedex Dimensional Weight Calculator Usa

When shipping packages with FedEx in the USA, you may need to calculate the dimensional weight to determine the correct shipping rate. This calculator helps you quickly determine the dimensional weight of your package and compare it to the actual weight.

What is Dimensional Weight?

Dimensional weight is a method used by shipping carriers to calculate the volume of a package and convert it into a weight measurement. This is often used when the actual weight of a package is less than the calculated dimensional weight.

Shipping carriers use dimensional weight to ensure packages are properly sized for safe transportation. If the dimensional weight is greater than the actual weight, the carrier will charge based on the dimensional weight.

How to Calculate Dimensional Weight

The formula for calculating dimensional weight is:

Dimensional Weight = (Length × Width × Height) ÷ Divisor

Where the divisor depends on the shipping carrier and service. For FedEx in the USA, the divisor is typically 139 for standard packages.

After calculating the dimensional weight, you compare it to the actual weight of your package. The higher of the two values is used to determine the shipping rate.

FedEx Dimensional Weight Rules

FedEx has specific rules for calculating dimensional weight for different types of packages:

For standard packages, the divisor is 139.
For oversized packages, the divisor may be different.
FedEx may round up the dimensional weight to the nearest whole number.
If the dimensional weight is greater than the actual weight, the carrier will charge based on the dimensional weight.

Note: These rules may vary depending on the specific FedEx service and package type. Always check with FedEx for the most current rules.

Example Calculation

Let's say you have a package with the following dimensions:

Length: 12 inches
Width: 8 inches
Height: 6 inches
Actual Weight: 5 pounds

Using the dimensional weight formula:

Dimensional Weight = (12 × 8 × 6) ÷ 139 = 576 ÷ 139 ≈ 4.14 pounds

Since the dimensional weight (4.14 pounds) is less than the actual weight (5 pounds), the shipping rate will be based on the actual weight of 5 pounds.

FAQ

What is the divisor used for FedEx dimensional weight?: The standard divisor for FedEx dimensional weight is 139. However, this may vary depending on the specific service and package type.
When should I use dimensional weight instead of actual weight?: You should use dimensional weight when it is greater than the actual weight of your package. The shipping carrier will charge based on the higher of the two values.
Can I round up the dimensional weight?: Yes, FedEx may round up the dimensional weight to the nearest whole number to ensure safe transportation of your package.
Are there different rules for international shipments?: The rules for dimensional weight may vary for international shipments. Always check with FedEx for the most current rules for your specific shipment.
How do I know if my package is oversized?: Oversized packages have specific dimensions that exceed the limits set by FedEx. Check the FedEx website or contact customer service to determine if your package is oversized.

Formula and Assumptions

This calculator uses the standard FedEx dimensional weight formula: (Length × Width × Height) ÷ 139.

The divisor of 139 is used for standard packages. For oversized packages, the divisor may be different.

Last updated: June 2023