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Wisconsin
IFTA fuel tax rates and information for Wisconsin
Current Tax Rates
| Diesel | $0.3290 per gallon |
| Gasoline | $0.3290 per gallon |
Rates effective as of 2026-04-01. Subject to quarterly change.
State Information
Abbreviation
WI
Country
United States
Region
Midwest
Timezone
Central
Neighboring Jurisdictions
When traveling through Wisconsin, you may also need to track miles in these neighboring jurisdictions:
IFTA in Wisconsin
Wisconsin is a member of the International Fuel Tax Agreement (IFTA). Motor carriers operating qualified vehicles in Wisconsin must report all miles traveled and fuel purchased in the state on their quarterly IFTA returns.
Fuel purchased in Wisconsin generates a tax credit at the rate of $0.3290/gallon for diesel. If you travel more miles in Wisconsin than the fuel you purchased would cover, you'll owe additional tax. If you purchased more fuel than you used, you'll receive a credit.
Calculate your Wisconsin IFTA taxes
Use our free calculator to determine your tax liability for WI.