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Tax Foundation · Aug 28, 2026

Gas tax in Hawaii

18.5 cents a gallon in state taxes and fees, plus the 18.4-cent federal tax: 36.9¢ in all (Tax Foundation). That is about 7% of today's average price for regular in Hawaii (AAA, our calculation).

Gas tax
18.5¢
cents a gallon (state)
With federal 18.4¢
36.9¢
Share of today's price
7%
Rank
2 of 51
1 = lowest
StateGas taxRank
Alaska8.9¢1
Hawaii18.5¢2
New Mexico18.9¢3
Arizona19.0¢4

Source: Tax Foundation, Gas Taxes by State, 2026 (State Gasoline and Diesel Tax Rates, $ per Gallon, July 2026) (Aug 28, 2026). Rates as of July 2026 (published Aug 28, 2026). Total state gasoline tax in cents per gallon (converted from the published $/gallon values, e.g. $0.3100 = 31.00): per-gallon excise plus other state taxes/fees such as wholesaler/retailer taxes, sales taxes and underground storage tank fees; per the table note it does not include some local taxes, taxes on net or gross receipts, or indirect burdens from environmental programs. Table is labeled 'July 2026' (no exact day given; 2026-07-01 assumed). Published 2026-08-28 by Adam Hoffer and Jacob Macumber-Rosin. Federal: 18.4 cents/gal = 18.3-cent excise tax + 0.1-cent Leaking Underground Storage Tank fee, per EIA FAQ https://www.eia.gov/tools/faqs/faq.php?id=10&t=10 (as of January 2026). Tax Foundation publishes no national average, so avgStateCents is null.

Common questions

What is the gas tax in Hawaii?

18.5 cents a gallon in state taxes and fees, plus the 18.4-cent federal tax: 36.9¢ in all (Tax Foundation). That is about 7% of today's average price for regular in Hawaii (AAA, our calculation).

Does Hawaii have a high gas tax?

Hawaii ranks 2 of 51 (1 = lowest).

See today's pump prices in the gas prices by state table.

More for Hawaii: monthly budget · take-home pay · rent.

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