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IFTA fuel tax rates and information for Delaware
| Diesel | $0.2200 per gallon |
| Gasoline | $0.2300 per gallon |
Rates effective as of 2025-10-01. Rates are subject to change quarterly.
Abbreviation
DE
Country
United States
Region
Mid-Atlantic
Timezone
Eastern
When traveling through Delaware, you may also need to track miles in these neighboring jurisdictions:
Delaware is a member of the International Fuel Tax Agreement (IFTA). Motor carriers operating qualified vehicles in Delaware must report all miles traveled and fuel purchased in the state on their quarterly IFTA returns.
Fuel purchased in Delaware generates a tax credit at the rate of $0.2200/gallon for diesel. If you travel more miles in Delaware 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.
Use our free calculator to determine your tax liability for DE.