Oklahoma Capital Gains Tax Calculator
Calculate your 2026 capital gains tax in Oklahoma. Oklahoma taxes capital gains at rates up to 4.5%, plus federal taxes.
Original purchase price
Renovations, additions — added to your basis
Agent commissions, closing costs, title & transfer fees
Total Tax
$42,800
21.4% effective rate
Capital Gain
$200,000
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Tax Breakdown
Sale price minus selling costs and all taxes (before any mortgage payoff).
Federal
$33,800
OK State
$9,000
Effective Rate
21.4%
Oklahoma Capital Gains Tax
Oklahoma taxes capital gains as ordinary income at rates up to 4.5% for 2026, on taxable income over $7,200 single or $14,400 joint. Gains on Oklahoma property held at least five years, or on an Oklahoma company held at least two years, can be fully deducted on Form 561. This calculator applies the 4.5% top rate to the whole gain and does not apply that deduction, so it overstates the tax for most filers.
Long-term: Taxed as ordinary income (up to 4.5%); qualifying Oklahoma gains fully deductible
Short-term: Taxed as ordinary income (up to 4.5%)
NIIT Applied
The 3.8% Net Investment Income Tax applies because your income exceeds $200,000.
Oklahoma Capital Gains Tax Details
Tax Treatment
Tax Type
Taxed as ordinary income
Maximum Rate
4.5%
Available Exemptions
- Federal home-sale exclusion ($250K single / $500K married filing jointly) flows through to the Oklahoma return
- 100% deduction for gain on Oklahoma real or tangible property owned 5 years, or on stock or an ownership interest in an Oklahoma company owned 2 years (Form 561)
- Selling costs and capital improvements reduce the taxable gain
Oklahoma Capital Gains Tax FAQ
Official References
- IRS Topic 409: Capital Gains and Losses
Federal capital gains tax guidance
- IRS Publication 523: Selling Your Home
$250K / $500K home-sale exclusion, basis adjustments, and selling expenses
- Oklahoma Tax Commission — Form 561 Capital Gain Deduction
Oklahoma state capital gains rules
This calculator provides estimates. Consult a tax professional for advice specific to your situation in Oklahoma.
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