Oklahoma Income Tax Calculator
Calculate your Oklahoma state income tax alongside federal tax. See the full bracket breakdown, effective rate, and combined tax liability.
Last updated: · Tax Foundation (2025 state brackets) + IRS Rev. Proc. 2025-32 (2026 federal)
On a $75,000 salary in Oklahoma (single filer, 2025), your estimated state income tax is $3,024.89 (4.0% effective rate). Combined with federal tax of $7,670.00, your total income tax is $10,694.89 (14.3% combined effective rate). Oklahoma has progressive brackets with a top rate of 4.75%. Source: Tax Foundation, state revenue department.
Oklahoma Deduction: $7,350.00
Standard deduction: $6,350.00 + Personal exemption: $1,000.00
Top rate of 4.75%. Consolidating brackets in 2026 (from 6 to 3).
Federal estimates use 2026 IRS brackets. State estimates use 2025 state rate data.
Results
Oklahoma Tax Bracket Breakdown
| Rate | Range | Tax |
|---|---|---|
| 0.25% | $0 – $1,000 | $2.50 |
| 0.75% | $1,000 – $2,500 | $11.25 |
| 1.75% | $2,500 – $3,750 | $21.88 |
| 2.75% | $3,750 – $4,900 | $31.63 |
| 3.75% | $4,900 – $7,200 | $86.25 |
| 4.75% | $7,200 – ∞ | $2,871.38 |
| Total Oklahoma Tax | $3,024.89 | |
Compare Oklahoma with Other States
How This Is Calculated
Oklahoma uses a progressive income tax system. Each bracket's rate applies only to income within that range.
| Rate | Income Range (Single) |
|---|---|
| 0.25% | $0 – $1,000 |
| 0.75% | $1,000 – $2,500 |
| 1.75% | $2,500 – $3,750 |
| 2.75% | $3,750 – $4,900 |
| 3.75% | $4,900 – $7,200 |
| 4.75% | $7,200 – No limit |
Data source
State bracket data from the Tax Foundation (2025 State Individual Income Tax Rates and Brackets). Cross-referenced with the Oklahoma revenue department. Federal brackets from IRS Rev. Proc. 2025-32 (2026).
Frequently Asked Questions
- How much is Oklahoma income tax on $75,000?
- On a $75,000 salary in Oklahoma, you would owe approximately $3,024.89 in state income tax (4.0% effective rate) plus $7,670.00 in federal income tax, for a combined total of $10,694.89 (14.3% combined effective rate).
- What is the Oklahoma income tax rate for 2025?
- Oklahoma uses a progressive income tax system with rates ranging from 0.25% to 4.75%. Top rate of 4.75%. Consolidating brackets in 2026 (from 6 to 3).