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Ontario
IFTA fuel tax rates and information for Ontario
Current Tax Rates
| Diesel | $0.1430 per gallon |
| Gasoline | $0.1470 per gallon |
Rates effective as of 2026-04-01. Subject to quarterly change.
State Information
Abbreviation
ON
Country
Canada
Region
Central
Timezone
Eastern
Neighboring Jurisdictions
When traveling through Ontario, you may also need to track miles in these neighboring jurisdictions:
IFTA in Ontario
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.
Calculate your Ontario IFTA taxes
Use our free calculator to determine your tax liability for ON.