Oklahoma State Tax Calculator 2026
Estimate your Oklahoma state income tax and take-home pay for tax year 2026.
Last updated: November 2025 · Source
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Oklahoma 2026 tax overview
HB2764 (effective 2026) collapsed 6 brackets into 3; top rate cut from 4.75% to 4.5%. Brackets are NOT inflation-indexed.
Breakdown
Frequently Asked Questions
What are the 2026 Oklahoma income tax rates?
Oklahoma uses a 3-bracket progressive schedule with rates from 0.25% to 4.50%. HB2764 (effective 2026) collapsed 6 brackets into 3; top rate cut from 4.75% to 4.5%. Brackets are NOT inflation-indexed.
What is the 2026 Oklahoma standard deduction?
For 2026, Oklahoma allows a state standard deduction of $6,350 for single filers and $12,700 for married filing jointly.
Does Oklahoma tax Social Security benefits?
Tax treatment of Social Security varies by state. Oklahoma's rules can change year-to-year, check the Oklahoma Department of Revenue for the most current guidance.
What is the difference between federal and Oklahoma state income tax?
Federal tax is collected by the IRS at uniform rates nationwide (10%-37%). Oklahoma state tax is separate, with its own brackets and rules. Total income tax burden = federal + state combined.