Sales tax United States · Rates as of 1 July 2026
Oklahoma Sales Tax Rate (2026)
Oklahoma sales tax is 4.5% statewide; with city and county taxes the average combined rate is 9.06%. Use the calculator to add or remove tax from any price.
Oklahoma sales tax calculator
Your exact rate depends on the city and county of the sale; enter it above if you know it.
How Oklahoma sales tax works
Oklahoma's 4.5% state rate is modest, but local taxes are among the highest in the country.
To calculate it, multiply the price by the rate: tax = price × 9.06 ÷ 100. A $40 purchase at the average combined rate carries $3.62 tax, for $43.62 in total. To strip tax out of a receipt total, divide by 1.0906.
Oklahoma sales tax on common amounts
| Price | Tax at 4.5% (state) | Tax at 9.06% | Total at 9.06% |
|---|---|---|---|
| $10.00 | $0.45 | $0.91 | $10.91 |
| $25.00 | $1.13 | $2.27 | $27.27 |
| $50.00 | $2.25 | $4.53 | $54.53 |
| $100.00 | $4.50 | $9.06 | $109.06 |
| $250.00 | $11.25 | $22.65 | $272.65 |
| $500.00 | $22.50 | $45.30 | $545.30 |
| $1,000.00 | $45.00 | $90.60 | $1,090.60 |
Oklahoma vs neighbouring states
| State | State rate | Avg. combined | Tax on $100 |
|---|---|---|---|
| Oklahoma | 4.5% | 9.06% | $9.06 |
| Kansas | 6.5% | 8.71% | $8.71 |
| Missouri | 4.225% | 8.44% | $8.44 |
| Arkansas | 6.5% | 9.48% | $9.48 |
| Texas | 6.25% | 8.2% | $8.20 |
| New Mexico | 4.88% | 7.68% | $7.68 |
| Colorado | 2.9% | 7.89% | $7.89 |
Frequently asked questions
What is the sales tax rate in Oklahoma?
The Oklahoma state sales tax rate is 4.5%. Local taxes add an average of 4.56%, for an average combined rate of 9.06%.
How much is the sales tax on $100 in Oklahoma?
At the state rate, $4.50 (total $104.50). At the average combined rate, $9.06 (total $109.06).
How do I calculate Oklahoma sales tax?
Multiply the price by the rate as a decimal. Example: $50 × 9.06% = $4.53. To remove tax from a total, divide by (1 + rate): $100 ÷ 1.0906 = $91.69 before tax.
Is Oklahoma sales tax high?
Oklahoma ranks #6 of 50 states for average combined sales tax (1 = highest). The population-weighted US average combined rate is about 7.5%.
Sources
- Tax Foundation, State and Local Sales Tax Rates, Midyear 2026 (rates as of 1 July 2026; local rates are population-weighted averages).
- State departments of revenue for statewide rates and exemptions.
Rates change. Always confirm the exact rate for a specific address with the relevant tax authority before filing or invoicing.