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Haul Math

British Columbia IFTA Fuel Tax Rate

British Columbia's IFTA diesel rate for the 3rd quarter of 2026 is $0.4060 per gallon (C$0.1500 per litre), down $0.0090 from Q2 2026.

British Columbia rate for Q3 2026

Special diesel, Q3 2026

$0.4060

per US gallon, down $0.0090 from Q2 2026

Diesel tax rate
$0.4060/gal
Surcharge
None listed
Native rate
C$0.1500/litre
IFTA exchange rate
1 USD = 1.3984 CAD
Quarter
Q3 2026, from Jul 1, 2026
Change vs last quarter
down $0.0090

British Columbia taxes fuel by the litre in Canadian dollars. The IFTA matrix shows C$0.1500 per litre as $0.4060 per US gallon, using that quarter's exchange rate of 1.3984 CAD to the US dollar.

Notes from the source

Matrix footnote #13 (BRITISH COLUMBIA): Ethanol and ethanol blends of gasoline must be reported as Gasoline and biodiesel and biodiesel blends must be reported as Diesel. LNG tax rate is expressed in cents per kilograms (as per IFTA Ballot #5- 2015). CNG tax rate is expressed in cents cubic meter (as per IFTA Ballot #3-2013). M-85 tax rate is based on a methanol : gasoline blend :: 85% : 15%

Worked example: the British Columbia 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 British Columbia, and 100 gallons bought there.

Example numbers are filled in. Tap "Calculate British Columbia IFTA" to see the British Columbia line of an IFTA return at the Q3 2026 rate.

British Columbia vs. its neighbors, Q3 2026

IFTA diesel rates for British Columbia and bordering jurisdictions, Q3 2026
JurisdictionDiesel + surchargevs. BC
Washington$0.5950+$0.1890
British Columbia$0.4060—
Alberta$0.3519−$0.0541
Idaho$0.3200−$0.0860
Montana$0.2975−$0.1085

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.

British Columbia rate, last 4 quarters

British Columbia IFTA diesel rate by quarter
QuarterDieselSurchargeChange
Q4 2025$0.4115——
Q1 2026$0.4125—+$0.0010
Q2 2026$0.4150—+$0.0025
Q3 2026$0.4060—−$0.0090

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

IFTA, Inc. publishes the rates each member jurisdiction reports. British Columbia'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.