Updated April 29, 2026 - EIA Weekly Survey
Diesel Cost per Gallon in Wisconsin (2026)
$5.25/GAL
-0.34 vs US average ($5.59)Rank #22 of 50 statesPADD 2
Diesel Tax Breakdown
Federal diesel excise tax24.4c/gal
Wisconsin state diesel tax32.9c/gal
Total tax57.3c/gal
Tax as % of price1091%
Sources: Federation of Tax Administrators, EIA. Rates as of April 2026.
CALCULATE YOUR FUEL COST IN WISCONSIN
Use our trip calculator prefilled at $5.25/gal for Wisconsin.
Sources: EIA Weekly On-Highway Diesel Fuel Survey, AAA Gas Prices (gasprices.aaa.com), Federation of Tax Administrators diesel tax table. Updated April 29, 2026. State prices are representative averages; actual pump prices vary by retailer and location.