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Oklahoma Income Tax Calculator
Estimate your 2026 Oklahoma state and federal income tax liability for W-2, self-employment, and investment income.
On $75,000 of W-2 income, a single filer in Oklahoma owes about $10,500 in income tax for 2026 — $7,670 federal plus $2,830 to Oklahoma — leaving roughly $64,501 before FICA payroll taxes.
Total tax liability
for 2026
Effective Rate
14.0%
Federal marginal
22.0%
Cap gains rate
15.0%
State rate
4.5%
2026 federal tables from IRS Rev. Proc. 2025-32; Oklahoma rates from the state's revenue department and statutes (2026 rates; brackets, standard deduction and exemptions from the latest published state tables, 2025 where the state has not released 2026 figures). Reviewed by Junead Khan. Last updated .
How Oklahoma taxes your income
Progressive — 0% to 4.5%
Oklahoma income tax brackets
Single
Married filing jointly
Rates apply to taxable income. The calculator above uses the schedule for your filing status, including head of household where the state has its own.
Oklahoma allows a $6,350 standard deduction ($12,700 for married couples filing jointly) and a $1,000 personal exemption ($2,000 for married couples filing jointly).
Oklahoma income tax questions.
Yes. Oklahoma has a progressive income tax with rates from 0% to 4.5%.
Rates range from 0% to 4.5% across 4 brackets, in addition to federal income tax. Oklahoma allows a $6,350 standard deduction ($12,700 for married couples filing jointly) and a $1,000 personal exemption ($2,000 for married couples filing jointly).
On $75,000 of W-2 income (single filer), an estimated $10,500 in total income tax — including about $2,830 to Oklahoma, leaving roughly $64,501 after income tax (before FICA payroll taxes). Adjust income and filing status in the calculator above for your exact numbers.
About 14% combined federal and state income tax for a single filer, of which roughly 3.77% is Oklahoma state tax. FICA payroll taxes (7.65% for most employees) come on top of that.
Estimates use 2026 federal and state tax rates, and each state's own brackets, standard deduction and personal exemptions for your filing status. Your actual liability varies with itemized deductions, dependents, other credits, local taxes, and other income.
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