Tools · State Income Tax
Oklahoma Income Tax Calculator (2026)
Estimate your Oklahoma state income tax for 2026. Enter your taxable income and filing status to see what Oklahoma taxes and your effective state rate, broken out line by line.
Oklahoma state income tax calculator
- Taxable income entered
- $75,000
- Oklahoma standard deduction
- −$6,350
- Income taxed by Oklahoma
- $68,650
- Oklahoma income tax
- $2,875
Oklahoma rebuilt its brackets for 2026 under HB 2764. The first $3,750 of taxable income (single) is now untaxed, and the top rate dropped from 4.75% to 4.5%. Most income above $7,200 (single) is taxed at 4.5%.
State figures: Oklahoma Tax Commission.
Estimate for 2026 state income tax only, based on annual tax brackets — it excludes federal income tax, Social Security and Medicare, local taxes, and any credits. This is general information, not tax advice.
How Oklahoma income tax is figured
Oklahoma runs graduated brackets: higher slices of income are taxed at higher rates. Oklahoma rebuilt its brackets for 2026 under HB 2764. The first $3,750 of taxable income (single) is now untaxed, and the top rate dropped from 4.75% to 4.5%. Most income above $7,200 (single) is taxed at 4.5%.
This estimate covers state income tax only. It does not include federal income tax, Social Security and Medicare, or tax credits. It is an annual-bracket estimate, not your final return. This is general information, not tax advice.
Income tax calculators for other states
Same 2026 engine, each with its own state rules.