Indiana Gas Tax
What Indiana and the federal government charge per gallon of gasoline, from U.S. Energy Information Administration data as of July 2026.
What makes up Indiana’s 82.9¢
| Indiana state excise tax | 37.0¢ |
| Other Indiana taxes & fees sales/use taxes, inspection and environmental fees | 27.5¢ |
| Total Indiana state tax | 64.5¢ |
| Federal excise + LUST fee 18.3¢ excise + 0.1¢ LUST, unchanged since 1993 | 18.4¢ |
| Combined state + federal | 82.9¢ |
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 and replaces the obligation of the retail merchant to collect the sales tax on the sale of gasoline. The Gasoline Use Tax is calculated on a monthly basis (see Departmental Notices for new rates). The rate is $0.2650/gal, as of 6/1/26. A 7% sales tax on diesel fuel no longer applies. Oil Inspection fee: $0.0100/gal.
How much of a gallon in Indiana is tax
Indiana gasoline currently averages $3.97 a gallon. Against that, the 82.9¢ of combined state and federal tax is about 20.9% of what a driver pays — with local taxes, where they apply, on top.
Tax rate from EIA as of July 2026; pump price is the current EIA weekly average. The two are published on different schedules, so the share moves as prices move even when the tax does not.
Indiana vs. the other 50 states
Indiana’s state gas tax of 64.5¢ is 30.7¢ above the 33.8¢ average across 50 states and D.C. — the 3rd-highest, or equivalently the 49th-lowest.
Indiana gas tax, answered
- What is the gas tax in Indiana?
- Indiana charges 64.5¢ per gallon in state gasoline taxes — 37.0¢ of state excise tax plus 27.5¢ in other state taxes and fees. Adding the 18.4¢ federal tax brings the total to 82.9¢ per gallon, according to U.S. Energy Information Administration data as of July 2026. These are state and federal taxes only and exclude county and local taxes.
- How does Indiana's gas tax compare to other states?
- Indiana's state gasoline tax of 64.5¢ per gallon ranks 3rd-highest of the 50 states and D.C. that EIA lists, against an average of 33.8¢. The highest is California at 73.6¢ and the lowest is Alaska at 8.9¢.
- What is the federal gas tax in Indiana?
- The federal gasoline tax is 18.4¢ per gallon in Indiana, the same as in every other state — 18.3¢ of excise tax plus a 0.1¢ Leaking Underground Storage Tank fee. It has been unchanged since 1993.
- How much of the price of gas in Indiana is tax?
- With Indiana gasoline averaging $3.97 per gallon, the 82.9¢ of combined state and federal tax is about 20.9% of the pump price. Local taxes, where they apply, are on top of that.
- Does Indiana charge local gas taxes too?
- EIA does not flag Indiana as a state where local option taxes are allowed. Its table covers taxes of general application and excludes county and local taxes in every state, so treat the figures here as state and federal only.
Related to Indiana gas tax
Tax rates from the U.S. Energy Information Administration, “Federal and state motor fuels taxes”, edition July 2026 (revised August 2026) (as of July 2026), published on EIA’s Petroleum Marketing Monthly page and reissued each January and July. EIA lists taxes “of general application … exclusive of county and local taxes”; rates are for gasoline.