Louisiana Gas Tax
What Louisiana and the federal government charge per gallon of gasoline, from U.S. Energy Information Administration data as of July 2026.
What makes up Louisiana’s 39.3¢
| Louisiana state excise tax | 20.0¢ |
| Other Louisiana taxes & fees sales/use taxes, inspection and environmental fees | 0.9¢ |
| Total Louisiana state tax | 20.9¢ |
| Federal excise + LUST fee 18.3¢ excise + 0.1¢ LUST, unchanged since 1993 | 18.4¢ |
| Combined state + federal | 39.3¢ |
State Inspection fee (applies to all petroleum products): $0.00125/gal. Motor Fuels Underground Storage Tank Trust Fund fee applies to gasoline, No. 1 diesel, No. 2 diesel, kerosene, and all aviation fuels (not to LPG): $72 per 9,000 gallon load ($0.0080/gal).
How much of a gallon in Louisiana is tax
Louisiana gasoline currently averages $3.88 a gallon. Against that, the 39.3¢ of combined state and federal tax is about 10.1% 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.
Louisiana vs. the other 50 states
Louisiana’s state gas tax of 20.9¢ is 12.8¢ below the 33.8¢ average across 50 states and D.C. — the 45th-highest, or equivalently the 7th-lowest.
Louisiana gas tax, answered
- What is the gas tax in Louisiana?
- Louisiana charges 20.9¢ per gallon in state gasoline taxes — 20.0¢ of state excise tax plus 0.9¢ in other state taxes and fees. Adding the 18.4¢ federal tax brings the total to 39.3¢ 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 Louisiana's gas tax compare to other states?
- Louisiana's state gasoline tax of 20.9¢ per gallon ranks 45th-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 Louisiana?
- The federal gasoline tax is 18.4¢ per gallon in Louisiana, 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 Louisiana is tax?
- With Louisiana gasoline averaging $3.88 per gallon, the 39.3¢ of combined state and federal tax is about 10.1% of the pump price. Local taxes, where they apply, are on top of that.
- Does Louisiana charge local gas taxes too?
- EIA does not flag Louisiana 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 Louisiana 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.