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Haul Math

Saskatchewan IFTA Fuel Tax Rate

Saskatchewan'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.

Saskatchewan 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

Saskatchewan 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.

Worked example: the Saskatchewan 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 Saskatchewan, and 100 gallons bought there.

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

Saskatchewan vs. its neighbors, Q3 2026

IFTA diesel rates for Saskatchewan and bordering jurisdictions, Q3 2026
JurisdictionDiesel + surchargevs. SK
Saskatchewan$0.4060—
Alberta$0.3519−$0.0541
Manitoba$0.3383−$0.0677
Montana$0.2975−$0.1085
North Dakota$0.2300−$0.1760

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.

Saskatchewan rate, last 4 quarters

Saskatchewan 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. Saskatchewan'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.