How Oklahoma Sales Tax Works
Oklahoma's state government imposes a 4.50% sales tax on most retail purchases. Counties, cities, and special districts can layer additional local sales tax on top — pushing combined rates to a population-weighted average of 9.06% statewide.
Oklahoma's 4.5% state rate is below average, but local rates are unusually high — putting the combined burden in the top 10 nationally.
Groceries in Oklahoma
Oklahoma eliminated its state sales tax on groceries effective August 2024; local sales taxes may still apply to food.
How Oklahoma Compares to Neighboring States
Sales tax on a $1,000.00 purchase in Oklahoma versus neighboring states, using each state's average combined rate (state + local):
| State | State Rate | Combined Rate | Tax on $1,000 | vs. Oklahoma |
|---|---|---|---|---|
| Oklahoma (here) | 4.50% | 9.06% | $90.60 | — |
| Texas | 6.25% | 8.20% | $82.00 | -$8.60 |
| New Mexico | 4.88% | 7.68% | $76.80 | -$13.80 |
| Colorado | 2.90% | 7.89% | $78.90 | -$11.70 |
| Kansas | 6.50% | 8.71% | $87.10 | -$3.50 |
| Missouri | 4.22% | 8.44% | $84.40 | -$6.20 |
A negative "vs." figure means a lower sales tax bill on the same purchase. Specific addresses can vary materially from the state-wide average.
Frequently Asked Questions
What is the Oklahoma sales tax rate for 2026?
Oklahoma's state sales tax rate is 4.50% for 2026. When combined with the average local sales tax of 4.56%, most Oklahoma residents pay a typical combined rate of 9.06%.
How much sales tax will I pay on a $100 purchase in Oklahoma?
On a $100 purchase, expect approximately $4.50 in state sales tax, or about $9.06 including average local sales tax (combined 9.06%). Total cost: roughly $109.06.
Are groceries taxed in Oklahoma?
Oklahoma eliminated its state sales tax on groceries effective August 2024; local sales taxes may still apply to food.
Is sales tax calculated before or after discounts in Oklahoma?
Oklahoma follows the standard rule used by virtually all states: sales tax is calculated on the final discounted price, not the original price. If a $200 item is on sale for $150, you pay sales tax on $150. Manufacturer coupons can be treated differently in some states.
How is this Oklahoma sales tax estimate calculated?
The calculator applies Oklahoma's 4.50% state sales tax rate plus whatever local rate you enter (city + county + special districts). The default Local Rate is 0%; click a city in the table above to fill in its local portion, or look up your specific address with the Oklahoma Department of Revenue tool.