State gas taxes · EIA figures for July 2026
Indiana gas tax
The 3rd highest state gas tax of 51, and 30.7¢ above the state average. With the 18.4¢ federal tax, Indiana drivers pay 82.90¢ a gallon in fuel tax, about 19% of this week's price.
What makes up the tax on a gallon
| State excise tax | 37.00¢ |
|---|---|
| Other state taxes and fees | 27.50¢ |
| Federal excise tax | 18.40¢ |
| Total per gallon | 82.90¢ |
| On a 15-gallon fill | $12.44 |
| Over a typical year (480 gallons) | $398 |
| Regular gas this week | $4.388 |
From the EIA’s notes for Indiana: The Gasoline Use Tax (formerly the prepaid sales tax) is considered the equivalent of the 7% sales tax that would be collected by a retail merchant an.
Source: EIA federal and state motor fuel taxes, July 2026. The federal rate has not changed since 1993. County and city taxes are not included, so some drivers pay a little more.
Fuel tax in Indiana and its neighbours
Across the line in Kentucky, state tax is 38.1¢ a gallon lower, which is $5.71 less tax on a 15-gallon fill.
Where Indiana sits in the ranking
| 1. California | 73.64¢ |
|---|---|
| 2. Illinois | 71.70¢ |
| 3. Indiana | 64.50¢ |
| 4. Washington | 60.17¢ |
| 5. Pennsylvania | 58.70¢ |
Ranked by total state tax per gallon, highest first. See all 51 ranked.
What this means for your driving
Tax is a fixed number of cents on every gallon, so the less fuel you burn, the less of it you pay. A car that gets 30 mpg pays $332 a year in fuel tax over 12,000 miles in Indiana; a pickup at 19 mpg pays $524.
Work out a trip or a year of driving with the Indiana fuel cost calculator, or see Indiana gas prices this week.
Indiana gas tax questions
- What is the gas tax in Indiana?
- Indiana charges 64.50¢ per gallon of gasoline in state tax: 37.00¢ of excise tax plus 27.50¢ in other per-gallon taxes and fees, according to the EIA's table updated July 2026. Add the 18.4¢ federal tax and drivers pay 82.90¢ a gallon in fuel tax.
- How does Indiana's gas tax compare with other states?
- It is the 3rd highest of 51 (the 50 states and D.C.), and 30.7¢ a gallon above the average state tax of 33.8¢.
- How much gas tax does a Indiana driver pay in a year?
- About $398 in state and federal fuel tax for a typical year of 480 gallons (roughly 12,000 miles at 25 mpg), of which $310 goes to the state. A 15-gallon fill carries $12.44 of tax.
- Is gas tax included in the price at the pump?
- Yes. Federal and state per-gallon fuel taxes are built into the price posted on the sign; they are not added at the register. That is why tax differences between neighbouring states show up directly in pump prices.
- Which neighbouring state has a lower gas tax than Indiana?
- Kentucky has the lowest state gas tax of Indiana's neighbours, at 26.40¢ a gallon. That is 38.1¢ less, or $5.72 on a 15-gallon fill.