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Haul Math

Ontario IFTA Fuel Tax Rate, 3rd Quarter 2024

Ontario's IFTA diesel rate for the 3rd quarter of 2024 is $0.2477 per gallon (C$0.0900 per litre), down $0.0039 from Q2 2024.

Ontario rate for Q3 2024

Special diesel, Q3 2024

$0.2477

per US gallon, down $0.0039 from Q2 2024

Diesel tax rate
$0.2477/gal
Surcharge
None listed
Native rate
C$0.0900/litre
IFTA exchange rate
1 USD = 1.3752 CAD
Quarter
Q3 2024, from Jul 1, 2024
Change vs last quarter
down $0.0039

Ontario taxes fuel by the litre in Canadian dollars. The IFTA matrix shows C$0.0900 per litre as $0.2477 per US gallon, using that quarter's exchange rate of 1.3752 CAD to the US dollar.

Notes from the source

Matrix footnote #5 (ONTARIO): Effective April 1, 2014, Biodiesel is a taxable product and taxed as diesel.

Worked example: the Ontario line of your IFTA return

Change the numbers to match your quarter. Prefilled with 10,000 total miles on 1,550 gallons, 1,200 of those miles in Ontario, and 100 gallons bought there.

Example numbers are filled in. Tap "Calculate Ontario IFTA" to see the Ontario line of an IFTA return at the Q3 2024 rate.

Ontario vs. its neighbors, Q3 2024

IFTA diesel rates for Ontario and bordering jurisdictions, Q3 2024
JurisdictionDiesel + surchargevs. ON
Quebec$0.5560+$0.3083
Michigan$0.4900+$0.2423
New York$0.3955+$0.1478
Minnesota$0.2850+$0.0373
Ontario$0.2477—
ManitobaPending—

On an IFTA return, a higher rate doesn't mean you pay more overall. Fuel you buy in a high-rate state earns a bigger credit. What matters is where you burn the fuel versus where you buy it.

Ontario rate, last 3 quarters

Ontario IFTA diesel rate by quarter
QuarterDieselSurchargeChange
Q1 2024$0.2544——
Q2 2024$0.2516—−$0.0028
Q3 2024$0.2477—−$0.0039

Source: IFTA, Inc. Fuel Tax Rate Matrix, 3rd Quarter 2024 · Effective Jul 1, 2024 · Last verified Sep 28, 2026

IFTA, Inc. publishes the rates each member jurisdiction reports. Ontario's tax agency is the final word on its rate.

Estimates for planning. Confirm with your tax pro or your base jurisdiction's IFTA office before filing.