Oklahoma Gas Tax
Among the Lowest
Oklahoma charges 20.00 cents per gallon in state tax, ranking 45 of 50, which is among the lowest in the country. With the federal 18.40 cents added, a driver pays 38.40 cents per gallon in tax. Diesel is taxed at 20.00 cents.
What “Among the Lowest” means
State gas tax in the bottom third nationally.
17 of 50 states are in the same category
Alongside Oklahoma: Alaska, Arizona, Arkansas, Connecticut, Delaware, Hawaii, Kansas, Louisiana, Mississippi, Nevada, New Hampshire, New Mexico, and 4 more.
Source: Tax Foundation · as of 2026 · last verified September 24, 2026
See every state in our gas tax tracker, or everything we track for Oklahoma.
Free to republish with attribution and a link back. How that works.