Weights and Measures Overview

Training Announcement

We are pleased to announce that DATCP will be conducting 2-day Retail Motor Fuel Device (RMFD) certification training in Madison, Wisconsin, May 14 - 15, 2019.  This training is intended for technicians wanting to become certified or renew their certification for RMFD, or those who would like refresher training.  An exam will be given on the second day of the training, covering both the HB44 General Code and the HB44 RMFD code.  Technicians with passing scores will receive their certification for RMFD.

Space is limited, and pre-registration is required for this training. Please submit a completed form and the applicable fees for each attendee no later than April 29th.

RMFD Training Announcement

RMFD Registration Form


The Wisconsin Department of Agriculture, Trade and Consumer Protection’s Weights and Measures team is responsible for regularly monitoring the accuracy of gas pumps, price scanners, scales and package weights statewide to ensure that consumers are receiving their money’s worth in Wisconsin stores.

For questions or to file a weights and measures or fuel quality complaint, call (608) 224-4942 or email datcpweightsandmeasures@wi.gov.

Contact Us

Municipality Weights and Measures Programs

Some municipalities in Wisconsin maintain their own weights and measures program. Cities administering their own program employ their own inspectors; however, city inspectors enforce the same laws and standards as state inspectors. A list of municipalities with their own weights and measures program can be found here.

Grocer's Manual

An informational guide to grocery store inspections. Learn about the types of inspections Weights and Measures conducts, your responsibilities as a grocer, and what you can expect during inspections at your store. The manual can be found here.

Fact Sheets / FAQ

The Bureau of Weights and Measures has developed fact sheets, FAQs, and other publications on many topics for businesses, service companies, and consumers. Please visit our fact sheet page for the full list.


Training and Continuing Education Information

For information on training and continuing education for service company technicians and other industry personnel, please visit our Training and Continuing Education page.

Laws and Regulations