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FedEx – How to Fix FedEx Shipping Rates showing Too high or Too low?

Rates discrepancy

If you suspect that the FedEx rates displayed in your WooCommerce store do not match the official FedEx rates, please follow the steps below to verify and troubleshoot the issue.

Verification

Before you assume there’s a problem with the plugin, it’s always worth verifying if the rates truly don’t match.
Occasionally FedEx applies different services, surcharges, or packaging rules that can make the cost look higher or lower than expected.
Comparing your WooCommerce results with the official FedEx Calculator is the quickest way to confirm whether there’s an actual discrepancy.

1. How to verify Shipments with FedEx Rates Calculator?

  • Log in to the FedEx online calculator: https://www.fedex.com/en-us/online/rating.html#
  • Recreate the exact same shipment that you are attempting to set up in your WooCommerce store.
  • Ensure that you are logged in and that the shipment details, particularly the dimensions and weight, match exactly what you have entered in WooCommerce.
    Important: Keep in mind that carrier live rates calculators, including FedEx, work based on estimation. Small differences in how parcels are measured or rounded may occur, so rate deviations of about 10–15% are generally considered normal.

Troubleshooting

If you’ve already verified the rates using the FedEx Calculator and there are still significant differences between what you see in WooCommerce and the official FedEx rates, here’s what you can do next:

2. Check for FedEx Account Settings:

  • Do you have a FedEx account with Account rates? If so, have you enabled these in the FedEx plugin settings?
  • Verify that the dimensions and weights of your items are entered correctly in both WooCommerce and the FedEx Rates Calculator.

Moreover, please review and adjust the following plugin settings, as they may affect the rates shown:
Rates Adjustments

These settings can significantly impact the final shipping rates. It’s recommended to configure them carefully so that the values displayed in WooCommerce align as closely as possible with the official FedEx calculators.

What affect FedEx rates? Comprehensive blog post

For more detailed information on how FedEx rates are calculated in our WooCommerce plugin, please refer to our blog post.

If you continue to notice discrepancies, reach out to us with the details, and we’ll investigate further.

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