Montana
Official · state-level, not per district
Official
Gasoline tax
Fixed
- State excise
- 33.0¢/gal
- State excise + fees
- 33.0¢/gal
- Federal
- 18.4¢/gal (18.3¢ excise + 0.1¢ LUST)
- Combined state + federal excise
- 51.4¢/galSome states tax a percentage of fuel price or reset rates periodically. Gross-receipts taxes (CT, DE, OH) are excluded.
Sales and local taxes are not included.
Some states tax a percentage of fuel price or reset rates periodically; per-gallon figures are the state's published rate on the as-of date. Gross-receipts taxes (CT, DE, OH) are excluded.
Law: MCA 15-70-403 (opens in a new tab)
Date passed: Unknown
Date effective: Unknown
Source: Montana Department of Transportation (opens in a new tab). As of Oct 28, 2026.
Cross-check: U.S. Energy Information Administration (opens in a new tab)
Federal law: 26 U.S.C. 4081(a)(2)(A)(i), 4081(d)(3) LUST; 4041(d) (opens in a new tab) · IRS Pub 510 (opens in a new tab). Effective Oct 1, 1993.