FedEx Freight Shipping Calculator
Fedex freight shipping calculator works out Billable weight and Billed ounce increment from Length, Width and Height. The default figures on this page give billable weight of 8; change any entry and the result, the working and the sources update together.
Your figures
Updates as you typeHow this is worked out
4 steps
- LTL freight bills the scale weight, so no dimensional weight is calculated: 8 lb.
- 8 lb is 0.08 hundredweight; 0.08 x 0 = 0.
- Length plus girth = 18 + 2 x (12 + 10) = 62.
- Density 6.4 lb per cubic foot puts this in NMFC class 150.
Its 17 worked examples are re-run on every release, last on 15 September 2026. What changed
Sources and references
11 sources
Keep this result
Save it, change one figure, then compare the two
The calculation stays free. Save this scenario, adjust one assumption, save that too, and put them side by side to see exactly what the change costs you. A free account keeps 5 scenarios and 2 comparisons; Personal makes both unlimited and adds exports and private links. Nothing is saved unless you press Save.
What the fedex freight shipping calculator calculates
Computes billable weight from actual and dimensional weight, checks size and girth limits, applies surcharges and prices the shipment from a supplied or provider-sourced rate.
How to use this fedex freight shipping calculator
Enter Length, Width, Height and Dimension unit. Billable weight updates as you type. Change one figure at a time to see what drives the result.
How the result is worked out
Open “How this is worked out” beside the result for the step-by-step calculation behind Billable weight, Billed ounce increment and Dimensional weight.
The method follows UPS Rate and Service Guide, dimensional weight calculation, UPS Shipping Dimensions and Weight (150 lb, 108 in length, 165 in length plus girth), FedEx Service Guide, dimensional weight, USPS Domestic Mail Manual 123, Priority Mail prices and dimensional weight and USPS Domestic Mail Manual 133, First-Class Mail and USPS Ground Advantage prices and dimensional weight.
What you can compare
Change one input at a time to see how it affects Billable weight, Billed ounce increment and Dimensional weight. The inputs you can vary are Length, Width, Height, Dimension unit, Actual weight and Base charge before weight.
FedEx is a trademark of its owner. CalculatorFox is an independent website and is not affiliated with, endorsed by or connected to FedEx; this calculator is a general estimate and the official figures are the ones published by FedEx.
Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.
See something wrong? Report a problem with this calculator
Frequently asked questions
How much is freight shipping with FedEx?
On the figures this page opens with — length 18, width 12, height 10 and actual weight 8 — the billable weight is 8. No single number fits everyone: change any figure above and the answer updates as you type, with each step of the arithmetic beside it.
How do I calculate the FedEx Freight class for my shipment?
Computes billable weight from actual and dimensional weight, checks size and girth limits, applies surcharges and prices the shipment from a supplied or provider-sourced rate. Open “How this is worked out” beside the result to see each step for your own figures.
How do I calculate freight shipping costs?
It needs Length, Width, Height, Dimension unit, Actual weight and Base charge before weight. Nothing else is required, and the figures stay in your browser.
What information do I need for the fedex freight shipping calculator?
You need Length, Width, Height, Dimension unit, Actual weight, Base charge before weight, Fuel surcharge and Residential delivery surcharge. The page opens with default figures that give billable weight of 8, so you can see the scale before entering your own.
What does this fedex freight shipping calculator show?
It shows Billable weight, Billed ounce increment, Dimensional weight, Actual weight, Which weight is billed, Dimensional divisor applied, Cubic size and Length plus girth, with the working and any warnings for your entries.
Can I check how the fedex freight shipping calculator result was calculated?
Yes. The “How this is worked out” section shows the calculation steps, and the sources section identifies the references used for the method.