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United States · DE
Delaware
IFTA fuel tax rates, jurisdiction details, and neighboring states for Delaware.
Current tax rates
Diesel
$0.2200/gal
Gasoline
$0.2300/gal
Effective 2026-04-01. Per gallon, USD.
Jurisdiction
Code
DE
Country
United States
Region
Mid-Atlantic
Timezone
Eastern
Neighboring jurisdictions
Trips through Delaware commonly cross into these. Check their rates if you log miles there too.
IFTA in Delaware
Delaware is a member of the International Fuel Tax Agreement. Carriers operating qualified vehicles in Delaware 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/gal/gal for diesel. If you put more miles on the road in Delaware than the fuel you purchased there would cover, you owe additional tax. If you purchased more fuel than you used, you receive a credit.
Calculate DE