Wisconsin Statutes Agriculture, Food and Trade Practices (Ch. 91 to 100) § 98.02. Systems of weights and measures; special units

(1) The system of weights and measures in customary use in the United States or the metric system of weights and measures shall be the only systems used for commercial purposes in this state. The definitions of basic units of weight and measure, the tables of weight and measure, and weights and measures equivalents, published by the national institute of standards and technology, shall govern weighing and measuring equipment and transactions in this state.

(2) “Barrel,” when used in connection with fermented malt beverages, means a unit of 31 gallons.“Ton” means a unit of 2,000 pounds avoirdupois weight.“Cord,” when used in connection with wood intended for fuel purposes, means the amount of wood that is contained in a space of 128 cubic feet when the wood is ranked and well stowed.