Saskatchewan IFTA Fuel Tax Rate, 3rd Quarter 2025
Saskatchewan's IFTA diesel rate for the 3rd quarter of 2025 is $0.4189 per gallon (C$0.1500 per litre), up $0.0218 from Q2 2025.
Saskatchewan rate for Q3 2025
Special diesel, Q3 2025
$0.4189
per US gallon, up $0.0218 from Q2 2025
- Diesel tax rate
- $0.4189/gal
- Surcharge
- None listed
- Native rate
- C$0.1500/litre
- IFTA exchange rate
- 1 USD = 1.3556 CAD
- Quarter
- Q3 2025, from Jul 1, 2025
- Change vs last quarter
- up $0.0218
Saskatchewan taxes fuel by the litre in Canadian dollars. The IFTA matrix shows C$0.1500 per litre as $0.4189 per US gallon, using that quarter's exchange rate of 1.3556 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.
Saskatchewan vs. its neighbors, Q3 2025
| Jurisdiction | Diesel + surcharge | vs. SK |
|---|---|---|
| Saskatchewan | $0.4189 | — |
| Alberta | $0.3630 | −$0.0559 |
| Manitoba | $0.3490 | −$0.0699 |
| Montana | $0.2975 | −$0.1214 |
| North Dakota | $0.2300 | −$0.1889 |
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
Source: IFTA, Inc. Fuel Tax Rate Matrix, 3rd Quarter 2025 · Effective Jul 1, 2025 · 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.