Metrology Lab

PrecisionWeighing.jpgThe Wisconsin Weights and Measures Laboratory provides weights and measures standard calibration​ services for city and state regulatory officials, state licensed weights and measures service companies, and businesses. The lab maintains the State of Wisconsin standards of mass and volume, and has a Certificate of Measurement Traceability from the NIST Division of Weights and Measures to demonstrate conformance to ISO 17025 (through NIST HB 143).

The laboratory is located at:

Wisconsin Weights & Measures Lab
3601 Galleon Run
Madison, WI 53718

(Driving directions)

Standards may be dropped off or sent to this address by common carrier (UPS, Fed Ex., etc.) after an appointment is scheduled. All work needs to have scheduled appointments.

Receiving hours at the lab are 8:00 a.m. - 4:00 p.m. Monday through Friday.

All standards sent or delivered for calibration should meet NIST standards for construction, cleanliness and appearance. Please see our Guidelines for Submitting Weights and/or Volume Measures.

Standards that the lab calibrates per the NIST Certificate of Traceability.FiveGallonTesting.jpg


If you'd like to help us improve our calibration services,​ please fill out our satisfaction survey.

If you have questions, or want to make an appointment for standard calibrations,
contact us at:

Phone: (608) 224-4910 or (608) 224-4911
Fax: (608) 224-4912