Oklahoma Sales Tax Calculator 2026
Oklahoma's state sales tax rate is 4.5%, with an average local rate of 4.56% and an average combined rate of 9.06%. Enter a price to add tax or reverse a tax-included total.
Oklahoma Sales Tax Calculator
Average combined rate in Oklahoma is 9.06%; your exact rate depends on the city and county. Max local rate observed: 7%.
Oklahoma sales tax rate breakdown (2026)
| Component | Rate |
|---|---|
| State rate | 4.5% |
| Average local rate | 4.56% |
| Average combined rate | 9.06% |
| Maximum local rate | 7% |
City, county and special-district rates vary and are population-weighted in the average. Verify the exact rate for your sale location with the Oklahoma Department of Revenue.
Economic nexus for online sellers
Remote sellers establish economic nexus in Oklahoma at $100,000 in annual sales (no transaction count). $100,000 sales threshold only.
Frequently asked questions
What is the sales tax rate in Oklahoma?
The state rate is 4.5%. Local governments add an average of 4.56%, so the typical combined rate is about 9.06%.
Do I have to collect sales tax as an out-of-state seller?
Remote sellers establish economic nexus in Oklahoma at $100,000 in annual sales (no transaction count). $100,000 sales threshold only. Once you cross the threshold you generally must register and begin collecting on sales delivered into Oklahoma.
How is tax calculated on a sale?
Multiply the pre-tax price by the combined rate (state + local). For example, a $100 sale at the average 9.06% rate carries $9.06 of tax, for a total of $109.06.
Selling across several states?
Use the all-state calculator to add or reverse sales tax for any of the 50 states + DC, and compare marketplace fees with our other free seller tools.
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