shipping-adjustmentsbillingcost-prevention

Shipping Adjustments: What They Are and How to Avoid Them

Learn why carriers charge shipping adjustments and how to avoid these unexpected fees. Prevent billing surprises on your invoices.

January 17, 20263 min read7 views
Shipping Adjustments: What They Are and How to Avoid Them

Shipping Adjustments: Prevention Guide

Shipping adjustments are retroactive charges when package details differ from what was declared. They can add 20-50% to your shipping costs.

What Causes Adjustments?

ReasonFrequencyTypical Charge
Wrong weight40%$3-15
Wrong dimensions35%$5-25
Address correction15%$18-21
DAS missed5%$4-16
Service change5%Varies

How Carriers Detect Discrepancies

MethodStage
Automated scalesPickup/dropoff
DIM scannersSorting facilities
Random auditsThroughout network
Address verificationPre-delivery

Weight Adjustment Thresholds

CarrierTolerance
UPS±0.5 lb or 3%
FedEx±0.5 lb or 3%
USPSMore lenient

Dimension Adjustment Rules

CarrierMeasurement Method
UPSLength × Width × Height
FedExSame (round up to inch)

Prevention Strategy 1: Accurate Measurement

Weight:

  • Use calibrated postal scale
  • Weigh packaged item (not just contents)
  • Round up to nearest 0.5 lb
Dimensions:
  • Measure at widest points
  • Include any bulges
  • Round up to nearest inch

Prevention Strategy 2: Address Validation

IssuePrevention
Wrong ZIPUse address validation
Suite missingVerify with customer
City/State mismatchAuto-correct tools
Business vs residentialVerify address type

Prevention Strategy 3: DAS Awareness

Check DAS before shipping:

  • Lookup destination ZIP
  • Include in rate calculation
  • Alert customer if needed

Address Correction Fees

CarrierAddress Correction Fee
UPS$18.50
FedEx$21.00
USPSUsually none

Disputing Adjustments

Valid dispute reasons:

ReasonDocumentation Needed
Scale calibrationRecent calibration certificate
Measurement errorPhotos with ruler
Carrier mistakeOriginal paperwork
Process:
  • Review adjustment details
  • Gather documentation
  • File dispute within 15 days
  • Await carrier response
  • atoship Protection

    Our platform helps prevent adjustments:

    FeatureBenefit
    Address validationReduces corrections
    DAS identificationNo surprises
    Weight alertsAccuracy prompts
    Dimension calculatorBuilt-in tool

    Cost of Adjustments

    Monthly AdjustmentsAnnual Cost
    10 packages$600-1,800
    50 packages$3,000-9,000
    100 packages$6,000-18,000

    Best Practices Checklist

    TaskFrequency
    Calibrate scaleMonthly
    Check dimension toolsMonthly
    Review adjustment reportsWeekly
    Address validationEvery order
    Avoid shipping adjustments →

    Share this article:

    Ready to save on shipping?

    Get started with Atoship for free and access discounted USPS, UPS, and FedEx rates. No monthly fees, no contracts.

    Create Free Account
    Shipping Adjustments Guide | How to Avoid Extra Charges | Atoship Blog | atoship