Back to All Tax Rates
IFTA fuel tax rates and information for Ontario
| Diesel | $0.1430 per gallon |
| Gasoline | $0.1470 per gallon |
Rates effective as of 2025-10-01. Rates are subject to change quarterly.
Abbreviation
ON
Country
Canada
Region
Central
Timezone
Eastern
When traveling through Ontario, you may also need to track miles in these neighboring jurisdictions:
Ontario is a member of the International Fuel Tax Agreement (IFTA). Motor carriers operating qualified vehicles in Ontario must report all miles traveled and fuel purchased in the state on their quarterly IFTA returns.
Fuel purchased in Ontario generates a tax credit at the rate of $0.1430/gallon for diesel. If you travel more miles in Ontario 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 ON.