Oklahoma · Sales Tax
The Oklahoma state sales tax rate is 4.5%. On a $100 purchase, the tax is $4.50, for a total of $104.50.
| Oklahoma Sales Tax | Rate | On $100 | On $1,000 |
|---|---|---|---|
| State base rate | 4.5% | $4.50 | $45.00 |
| Maximum combined | 11.5% | $11.50 | $115.00 |
| Pre-tax from $108.50 total | — | ÷1.0450 |
The state base sales tax rate in Oklahoma is 4.5%. Tulsa 8.517%; Oklahoma City 8.625%. The maximum combined rate (state plus highest local) reaches 11.5%.
Multiply the pre-tax price by 0.0450 (the decimal form of 4.5%). For example, a $250 purchase has a Oklahoma state sales tax of $11.25, for a total of $261.25. To reverse-calculate: if you have the total and want the pre-tax price, divide the total by 1.0450.
Food and grocery tax rules vary by state. In Oklahoma, the standard rate of 4.5% applies, though some states exempt grocery staples. Check the Oklahoma Department of Revenue for specific grocery exemption rules.
The Oklahoma state rate of 4.5% is below the national median of approximately 6.0%. Combined with local rates, the effective rate in Oklahoma ranges from 4.5% to 11.5%.