Iowa IFTA Calculator
Iowa IFTA fuel tax rates, Q3 2026
| Fuel type | Rate per gallon | Change from last quarter |
|---|---|---|
| Diesel | $0.3250 | No change |
| Gasoline | $0.3000 | No change |
| Propane (LPG) | $0.3000 | No change |
| LNG | $0.3250 | No change |
| CNG | $0.3100 | No change |
| Biodiesel | $0.2950 | -$0.0030 |
- Diesel rate rank among IFTA jurisdictions
- 30 of 57
- Administered by
- Iowa Department of Transportation
- State agency IFTA page
- iowadot.gov
Calculate your Iowa 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 |
|---|---|---|
| Illinois (IL) | $0.7380 | +$0.4130 |
| Minnesota (MN) | $0.3260 | +$0.0010 |
| Missouri (MO) | $0.2950 | -$0.0300 |
| Nebraska (NE) | $0.3180 | -$0.0070 |
| South Dakota (SD) | $0.2800 | -$0.0450 |
| Wisconsin (WI) | $0.3290 | +$0.0040 |
Diesel rate by quarter
| Quarter | Rate per gallon |
|---|---|
| Q3 2026 | $0.3250 |
| Q2 2026 | $0.3250 |
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