Oklahoma Income Tax Calculator
Calculate your 2026 Oklahoma state income tax. See your bracket breakdown, effective rate, and how Oklahoma compares to neighboring states.
Your Tax Inputs
Effective Rate vs Neighboring States
Oklahoma Tax Brackets (2026)
Federal vs Oklahoma Tax Comparison
Estimate for your income and filing status. Federal uses 2026 brackets and standard deduction.
| Item | Federal | Oklahoma | Total |
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About Oklahoma state taxes (Tax year 2026)
Oklahoma has a progressive income tax with 6 brackets ranging from 0.25% to 4.75%. The brackets are narrow, so the top rate applies to income over just $7,200 for single filers.
Groceries are exempt from state sales tax as of 2024. Prescription drugs are exempt.
Oklahoma's top income tax rate of 4.75% is near the national average, but its combined sales tax rate of 8.98% is among the highest in the nation due to extensive local taxes.
Filing in Oklahoma: returns for tax year 2026 are administered by the Oklahoma Tax Commission and are generally filed in 2027 by the federal April deadline unless Oklahoma declares a state-specific extension. Tax type on this return: Progressive. Top marginal rate: 4.75%. State sales-tax rate: 4.5%. For the most current contact info, see the Federation of Tax Administrators directory.
Oklahoma — What is Oklahoma's income tax rate? Oklahoma has 6 income tax brackets with rates from 0.25% to 4.75%. The top rate applies to income over $7,200 for single filers.
Oklahoma — Does Oklahoma tax groceries? No, Oklahoma eliminated its state sales tax on groceries in 2024. However, local jurisdictions may still tax groceries.
Oklahoma — How does Oklahoma's sales tax compare? Oklahoma's combined state and local sales tax rate averages 8.98%, one of the highest in the nation. This is because local cities and counties add substantial taxes on top of the 4.5% state rate.
How this page is reviewed
| Risk tier | High YMYL |
|---|---|
| Author | Calculover Editorial Team Tax education |
| Editorial owner | Calculover Tax & Payroll Desk State-tax methodology owner |
| Reviewer | Calculover Editorial Review Government-source and limitation review |
| Last reviewed | 2026-05-14 |
| Last verified | 2026-05-14 |
| Data effective date | 2026-01-01 |
| Jurisdiction | Oklahoma |
Methodology
State-tax per-state pages apply the published 2026 bracket schedule, standard deduction, and filing-status rules for the listed jurisdiction. Federal AGI inputs are mapped to state taxable income before bracket math runs. Local taxes (NYC, Philadelphia, certain Ohio cities) are flagged but not embedded in the base estimate.
Assumptions
- The user enters federal AGI, filing status, and state-specific adjustments as provided.
- Brackets, standard deductions, and credits reflect the 2026 statutory values published by the state Department of Revenue and the Tax Foundation.
- Local income taxes and reciprocity-agreement situations are noted but not auto-applied.
Limitations
- These pages do not predict mid-year legislative changes, rate adjustments, or new local tax assessments.
- Multi-state filers, convenience-of-employer rules, and special-circumstance credits require additional tax-professional analysis.
Sources
- State Tax Rates, Federation of Tax Administrators
- State Individual Income Tax Rates and Brackets, Tax Foundation
- State Government Resources, Internal Revenue Service
Professional guidance: This page is for state-tax education only and is not tax, legal, financial, or investment advice. State tax decisions and multi-state filing should be reviewed with a CPA or enrolled agent licensed in the relevant states.