Fedex Freight Dimensional Weight Calculator

Dimensional Weight Formula:

\[ \text{Dimensional Weight} = \frac{\text{Length} \times \text{Width} \times \text{Height}}{139} \]

Dimensional Weight:

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is Dimensional Weight?

Dimensional weight (also called volumetric weight) is a pricing technique for commercial freight transport that uses an estimated weight based on package dimensions rather than actual weight. FedEx and other carriers use this to account for the space a package occupies in relation to its actual weight.

2. How Does the Calculator Work?

The calculator uses the FedEx dimensional weight formula:

\[ \text{Dimensional Weight} = \frac{\text{Length} \times \text{Width} \times \text{Height}}{139} \]

Where:

\( Length \) — Longest dimension in inches
\( Width \) — Second longest dimension in inches
\( Height \) — Shortest dimension in inches
139 — FedEx's dimensional factor (in³/lb)

Explanation: The formula calculates how much space your package occupies in relation to its actual weight. Carriers charge based on whichever is greater - the actual weight or dimensional weight.

3. Importance of Dimensional Weight

Details: Understanding dimensional weight helps estimate shipping costs accurately, especially for lightweight but bulky packages. It prevents unexpected charges and helps optimize packaging.

4. Using the Calculator

Tips: Measure your package at its longest point in each dimension (length, width, height). Round each measurement to the nearest inch. All values must be greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: Why does FedEx use dimensional weight?
A: It allows carriers to account for the space a package occupies in their vehicles, which is especially important for lightweight but bulky items.

Q2: What's the difference between actual weight and dimensional weight?
A: Actual weight is what the package weighs on a scale. Dimensional weight is calculated from package dimensions and represents the "space" the package occupies.

Q3: How do I measure package dimensions correctly?
A: Measure to the nearest inch at the longest point in each dimension. Include any bulges or protrusions in your measurements.

Q4: Does the 139 divisor apply to all FedEx services?
A: The 139 divisor is standard for FedEx Freight services. Other services may use different divisors (e.g., FedEx Express uses 139 for international and 166 for domestic).

Q5: How can I reduce my dimensional weight?
A: Use smaller boxes when possible, compress contents if safe to do so, and consider breaking shipments into multiple packages if one dimension is disproportionately large.