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IFTA fuel tax rates and information for California
| Diesel | $0.6800 per gallon |
| Gasoline | $0.5790 per gallon |
Rates effective as of 2025-10-01. Rates are subject to change quarterly.
Abbreviation
CA
Country
United States
Region
Pacific
Timezone
Pacific
California is a member of the International Fuel Tax Agreement (IFTA). Motor carriers operating qualified vehicles in California must 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/gallon for diesel. If you travel more miles in California 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 CA.