State gas taxes · EIA figures for July 2026
Louisiana gas tax
The 45th highest state gas tax of 51, and 12.8¢ below the state average. With the 18.4¢ federal tax, Louisiana drivers pay 39.33¢ a gallon in fuel tax, about 11% of this week's price.
What makes up the tax on a gallon
| State excise tax | 20.00¢ |
|---|---|
| Other state taxes and fees | 0.92¢ |
| Federal excise tax | 18.40¢ |
| Total per gallon | 39.33¢ |
| On a 15-gallon fill | $5.90 |
| Over a typical year (480 gallons) | $189 |
| Regular gas this week | $3.612 |
From the EIA’s notes for Louisiana: State Inspection fee (applies to all petroleum products): $0.00125/gal. Motor Fuels Underground Storage Tank Trust Fund fee applies to gasoline, No.
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 Louisiana and its neighbours
Across the line in Texas, state tax is 0.9¢ a gallon lower, which is $0.14 less tax on a 15-gallon fill.
| State | State tax | Versus LA | On a 15-gal tank |
|---|---|---|---|
| Texas | 20.0¢ | −0.9¢ | −$0.14 |
| Louisiana | 20.9¢ | — | — |
| Mississippi | 24.4¢ | +3.5¢ | +$0.52 |
| Arkansas | 25.0¢ | +4.1¢ | +$0.61 |
Where Louisiana sits in the ranking
| 43. North Dakota | 23.03¢ |
|---|---|
| 44. Delaware | 23.00¢ |
| 45. Louisiana | 20.93¢ |
| 46. Oklahoma | 20.00¢ |
| 47. Texas | 20.00¢ |
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 $157 a year in fuel tax over 12,000 miles in Louisiana; a pickup at 19 mpg pays $248.
Work out a trip or a year of driving with the Louisiana fuel cost calculator, or see Louisiana gas prices this week.
Louisiana gas tax questions
- What is the gas tax in Louisiana?
- Louisiana charges 20.93¢ per gallon of gasoline in state tax: 20.00¢ of excise tax plus 0.92¢ 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 39.33¢ a gallon in fuel tax.
- How does Louisiana's gas tax compare with other states?
- It is the 45th highest of 51 (the 50 states and D.C.), and 12.8¢ a gallon below the average state tax of 33.8¢.
- How much gas tax does a Louisiana driver pay in a year?
- About $189 in state and federal fuel tax for a typical year of 480 gallons (roughly 12,000 miles at 25 mpg), of which $100 goes to the state. A 15-gallon fill carries $5.90 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 Louisiana?
- Texas has the lowest state gas tax of Louisiana's neighbours, at 20.00¢ a gallon. That is 0.9¢ less, or $0.14 on a 15-gallon fill.