Illinois IFTA Calculator
Illinois IFTA fuel tax rates, Q3 2026
| Fuel type | Rate per gallon | Change from last quarter |
|---|---|---|
| Diesel | $0.7380 | — |
| Gasoline | $0.6530 | — |
| Propane (LPG) | $0.7200 | — |
| LNG | $0.7020 | — |
| CNG | $0.5980 | — |
| Biodiesel | $0.7380 | — |
- Diesel rate rank among IFTA jurisdictions
- 3 of 57
- Administered by
- Link being verified
- State agency IFTA page
- Link being verified
Calculate your Illinois 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 |
|---|---|---|
| Iowa (IA) | $0.3250 | -$0.4130 |
| Indiana (IN) | $0.6300 | -$0.1080 |
| Kentucky (KY) | $0.3250 | -$0.4130 |
| Missouri (MO) | $0.2950 | -$0.4430 |
| Wisconsin (WI) | $0.3290 | -$0.4090 |
Filing IFTA for Illinois miles
The Illinois Department of Revenue administers IFTA in Illinois. Returns are filed on Form MFUT-15, and licenses, returns, and payments are handled through MyTax Illinois.
Illinois sets its Motor Fuel Use Tax rate in two parts for six-month periods. The rate for July through December 2026 reflects the suspension of the increase that was scheduled for July 1, 2026.
Calculate by state
- Alabama
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming