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Weights and Measures

Ensure the accuracy of scales, meters, scanners, fuel pumps, and weights

Our Division of Weights and Measures protects buyers and sellers by inspecting scales, meters, scanners, and fuel pumps in any business location that sells products by weight or volume. With over 100,000 devices inspected each year, the Weights and Measures Division helps build confidence and trust in the Louisiana marketplace through the following programs and laboratory services:

  • Motor fuels

  • Metrology

  • Scale, taxi meter, and flow meter inspections

  • Package inspections

  • Scanners and price verification inspections

  • Complaint portal for consumer use

Placed in Service Report

Service agencies looking to file LDAF Placed in Service Reports for scales, retail motor fuel, and any other commercial weighing and measuring devices can do so by filling out this Placed in Service Report Form .


  • Consumer complaints

    File complaints about inaccurate weighing or measuring practices
  • Device Registration and Inspections

    Get items registered, inspected, and tested for accuracy
  • Calibration and metrology services

    Get field and laboratory standards calibrated in our metrology lab
  • Motor fuels

    Verify motor fuel quality through inspections, tests and investigations
  • Weighmaster and technician licensing

    Get licensed to weigh commodities or install scales, meters, or other devices
  • Louisiana Metric Week

    Celebrating the International System of Units

Contact info

Motor fuel hotline

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