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United States · SC
South Carolina
IFTA fuel tax rates, jurisdiction details, and neighboring states for South Carolina.
Current tax rates
Diesel
$0.2800/gal
Gasoline
$0.2800/gal
Effective 2026-04-01. Per gallon, USD.
Jurisdiction
Code
SC
Country
United States
Region
Southeast
Timezone
Eastern
Neighboring jurisdictions
Trips through South Carolina commonly cross into these. Check their rates if you log miles there too.
IFTA in South Carolina
South Carolina is a member of the International Fuel Tax Agreement. Carriers operating qualified vehicles in South Carolina report all miles traveled and fuel purchased in the state on their quarterly IFTA returns.
Fuel purchased in South Carolina generates a tax credit at the rate of $0.2800/gal/gal for diesel. If you put more miles on the road in South Carolina 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 SC