Does Oklahoma have a separate capital gains tax rate?

No. Oklahoma taxes both short-term and long-term capital gains as ordinary income at its graduated rate, which tops out at 4.75%. There is no preferential state rate as there is at the federal level.

How are long-term gains taxed federally?

Long-term gains (assets held over one year) use preferential rates of 0%, 15%, or 20% depending on your total taxable income. This tool stacks the gain on top of your other income to apply the correct band.

How are short-term gains taxed?

Short-term gains on assets held one year or less are taxed as ordinary income at both the federal and Oklahoma level. The tool uses your federal marginal rate for the federal portion and your Oklahoma rate for the state portion.

Does this include the 3.8% net investment income tax?

No. High earners may owe an additional 3.8% federal net investment income tax above certain thresholds. This calculator covers the regular federal capital gains tax and the Oklahoma state tax only.

Oklahoma Capital Gains Tax Calculator

Q: What is the Oklahoma capital gains deduction (Form 561)?

Oklahoma lets you fully deduct net capital gains from the sale of real or tangible property located in Oklahoma held more than five years, or stock and ownership interest in an Oklahoma company held more than two years. Qualifying gains face zero Oklahoma tax.

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When you sell a stock, fund, or property in Oklahoma at a profit, you may owe tax at two levels: federal capital gains tax and Oklahoma state income tax. This calculator combines both, including Oklahoma’s generous deduction for gains on in-state property and company stock.

How it works

Federal treatment depends on how long you held the asset:

Short-term (≤ 1 yr): taxed as ordinary income (your federal marginal rate)
Long-term  (> 1 yr): 0% / 15% / 20% bands, stacked on top of other income

Oklahoma is different — it taxes all capital gains as ordinary income at its graduated rate, topping out at 4.75 percent, with no preferential rate. However, Oklahoma’s Form 561 deduction lets you fully exclude qualifying gains: real or tangible property located in Oklahoma held more than five years, or stock and ownership interest in an Oklahoma company held more than two years.

Example

A single filer with 80,000 dollars of other income realizes a 20,000 dollar long-term gain. Stacked on top, the gain falls in the federal 15 percent band, so federal tax is about 3,000 dollars. At a 4.75 percent Oklahoma rate the state tax is 950 dollars — unless the gain qualifies under Form 561, in which case the Oklahoma tax is zero.

Notes

This estimate excludes the 3.8 percent federal net investment income tax that may apply to higher earners. The Form 561 qualifying periods and entity rules are strict — keep records of acquisition dates and Oklahoma situs. Verify current rules at irs.gov and oklahoma.gov/tax.