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United States · CA
California
IFTA fuel tax rates, jurisdiction details, and neighboring states for California.
Current tax rates
Diesel
$0.6800/gal
Gasoline
$0.5790/gal
Effective 2026-04-01. Per gallon, USD.
Jurisdiction
Code
CA
Country
United States
Region
Pacific
Timezone
Pacific
Neighboring jurisdictions
Trips through California commonly cross into these. Check their rates if you log miles there too.
IFTA in California
California is a member of the International Fuel Tax Agreement. Carriers operating qualified vehicles in California report all miles traveled and fuel purchased in the state on their quarterly IFTA returns.
Fuel purchased in California generates a tax credit at the rate of $0.6800/gal/gal for diesel. If you put more miles on the road in California 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 CA