Oklahoma Income Tax Calculator Oklahoma state income tax rate for current tax year: 4.75% The Oklahoma Income Tax Calculator Start Over Estimate Your Federal and Oklahoma Taxes C1 Select Tax Year 2021 2022 C2 Select Your Filing Status Single Head of Household Married Filing Joint Married Filing Separate Qualifying Widow(er) C3 Number of Dependents C4 Annual Income $ C5 Annual Federal Deductions / Credits $ C6 Annual State Deductions / Credits $ C7 Federal Taxable Income $0 C8 State Taxable Income $0 Estimate my Federal and State Taxes * This is only a high level federal tax income estimate.Start free and prepare a current tax year federal and state income tax return for exact results. Federal Taxes % $ FICA Payroll Taxes 7.65% $ State Taxes % $ Your Estimated Take Home Pay $ Email Email Me My Results We will not share your email with anybody; you can unsubscribe at any time. Start an income tax return for free now to see your personalized results. Start Tax Return Why eFile.com? Share eFile TurboTax® is a registered trademark of Intuit, Inc. H&R Block® is a registered trademark of HRB Innovations, Inc.