Your hub for Oklahoma taxes: state income tax (0.25% to 4.75%), plus free calculators for take-home pay, self-employment tax, quarterly estimates, and salary conversion.
Last updated: May 2026 · Data: IRS, BLS, Oklahoma Tax Commission
Oklahoma levies a state income tax (0.25% to 4.75%) that is withheld from wages on top of federal tax and FICA. Oklahoma has six income tax brackets with a top rate of 4.75%. The state does not tax Social Security benefits and allows a partial deduction for retirement income.
| Tax | 2026 Rate / Detail |
|---|---|
| Oklahoma State Income Tax | 0.25% to 4.75% |
| Oklahoma State Sales Tax (base) | 4.5% |
| Federal Income Tax | 10% to 37% (progressive brackets) |
| Social Security | 6.2% on first $176,100 |
| Medicare | 1.45% on all wages (plus 0.9% above $200,000) |
| Federal Standard Deduction (Single / MFJ) | $15,000 / $30,000 |
| Minimum Wage | $7.25 / hour |
| State Tax Authority | Oklahoma Tax Commission |
Oklahoma has a state income tax. The 2026 rate is 0.25% to 4.75%. This applies on top of federal income tax and FICA (Social Security and Medicare) withheld from your pay.
For 2026, Oklahoma income tax is 0.25% to 4.75%. Oklahoma has six income tax brackets with a top rate of 4.75%. The state does not tax Social Security benefits and allows a partial deduction for retirement income.
A Oklahoma paycheck has federal income tax, Oklahoma state income tax (0.25% to 4.75%), Social Security (6.2% up to $176,100), and Medicare (1.45%) withheld. Try the take-home pay calculator for a personalized net-pay estimate.
Yes. Self-employed workers in Oklahoma generally make quarterly estimated payments to the IRS and to the state if they expect to owe tax. The quarterly estimated tax calculator estimates each payment and the due dates.
The Oklahoma statewide base sales tax rate is 4.5%. Local jurisdictions may add their own rates on top of the state rate.