Oklahoma IFTA Calculator
Oklahoma IFTA fuel tax rates, Q3 2026
| Fuel type | Rate per gallon | Change from last quarter |
|---|---|---|
| Diesel | $0.1900 | No change |
| Gasoline | $0.1900 | No change |
| Propane (LPG) | $0.1600 | No change |
| LNG | $0.0500 | No change |
| CNG | $0.0500 | No change |
| Biodiesel | $0.1900 | No change |
- Diesel rate rank among IFTA jurisdictions
- 57 of 57
- Administered by
- Oklahoma Corporation Commission
- State agency IFTA page
- oklahoma.gov
Calculate your Oklahoma IFTA tax
Return due Nov 2, 2026
The state that issued your IFTA license. It appears on your worksheet.
- Total miles
- 0
- Total gallons
- 0
- Fleet MPG
- —
Diesel tax in neighboring jurisdictions
| Jurisdiction | Effective rate per gallon | Compared with here |
|---|---|---|
| Arkansas (AR) | $0.2850 | +$0.0950 |
| Colorado (CO) | $0.3350 | +$0.1450 |
| Kansas (KS) | $0.2600 | +$0.0700 |
| Missouri (MO) | $0.2950 | +$0.1050 |
| New Mexico (NM) | $0.2100 | +$0.0200 |
| Texas (TX) | $0.2000 | +$0.0100 |
Diesel rate by quarter
| Quarter | Rate per gallon |
|---|---|
| Q3 2026 | $0.1900 |
| Q2 2026 | $0.1900 |
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