Mississippi IFTA Calculator
Mississippi IFTA fuel tax rates, Q3 2026
| Fuel type | Rate per gallon | Change from last quarter |
|---|---|---|
| Diesel | $0.2400 | +$0.0300 |
| Gasoline | $0.2400 | +$0.0300 |
| Propane (LPG) | $0.1700 | No change |
| LNG | $0.1800 | No change |
| CNG | $0.2280 | No change |
| Biodiesel | $0.2400 | +$0.0300 |
- Diesel rate rank among IFTA jurisdictions
- 48 of 57
- Administered by
- Mississippi Department of Revenue
- State agency IFTA page
- www.dor.ms.gov
Calculate your Mississippi 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 |
|---|---|---|
| Alabama (AL) | $0.3100 | +$0.0700 |
| Arkansas (AR) | $0.2850 | +$0.0450 |
| Louisiana (LA) | $0.2000 | -$0.0400 |
| Tennessee (TN) | $0.2700 | +$0.0300 |
Diesel rate by quarter
| Quarter | Rate per gallon |
|---|---|
| Q3 2026 | $0.2400 |
| Q2 2026 | $0.2100 |
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