ShipMargin
WeightREQUIRES_VERIFICATION

FedEx Dimensional Weight Calculator

Review FedEx DIM inputs without presenting an unverified carrier result.

Free · no sign-upRule: pending
Package inputs
Use outside package dimensions. Your result stays on this device unless you choose to save it.
REQUIRES_VERIFICATION
Rule verification pending

ShipMargin will not invent a FEDEX rule. Use the Generic DIM tool for a clearly labeled scenario.

Live result Deterministic
Shipping intelligence
No AI estimates. Every output comes from the published formula.

Your result will appear here

Enter package data and calculate. No account is required.

How to read the result

A decision, not just a number

FedEx rule workspace with production calculations gated by source verification. Read the result alongside its interpretation, formula version, assumptions, and source. If a carrier rule is not verified, the production result remains disabled.

Worked example

Example calculation

Enter a package to prepare a scenario; the carrier result remains locked until its official rule is verified.

Assumptions

  • • FedEx rules can change and may depend on the applicable terms.

Limitations

  • • REQUIRES_VERIFICATION: production calculation is intentionally disabled.

Frequently asked questions

Is the FedEx Dimensional Weight Calculator free?

Yes. Core ShipMargin calculators are free and show results without requiring an account.

Does this calculate a shipping price?

No. Without a verified live rate source, ShipMargin reports deterministic weights, dimensions, fit, or margin metrics—not invented dollar savings.

Can I save the result?

Anonymous results can be copied or shared. Saving calculation history is an optional account feature once Supabase is configured.