You may owe 0% federal income tax on eligible long-term capital gains and qualified dividends if they fit within the remaining space in the 0% capital-gains tax bracket. The limit is based on your taxable income and filing status—not on how much gain you realize by itself. Your ordinary taxable income uses part of the bracket first.
For tax year 2026, the top of the 0% bracket is $49,450 for single or married filing separately, $66,200 for head of household, and $98,900 for married filing jointly or a surviving spouse. These are taxable-income thresholds for 2026, not thresholds for a 2025 return filed during 2026. The IRS explains how capital gains are taxed; use the worksheet for the tax year you are calculating.
What qualifies for the 0% capital-gains rate?
The 0% rate can apply to eligible net long-term capital gain and qualified dividends. It does not generally apply to short-term capital gains, which are taxed at ordinary income rates. The IRS defines net capital gain as net long-term capital gain exceeding net short-term capital loss. IRS Topic No. 409 describes the distinction between short- and long-term gains.
Not every dividend qualifies for the preferential rate. Qualified dividends must meet applicable issuer, dividend-category, and holding-period rules. When they qualify, they may be taxed at the same maximum 0%, 15%, or 20% rates that apply to eligible long-term gains. See IRS Publication 550 for the qualified-dividend requirements.
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The following figures are the upper taxable-income limits for the 0% capital-gains bracket for tax years beginning in 2026. They are not amounts of capital gain that everyone in that filing category may automatically realize tax-free.
| Filing status | Top of 0% bracket for 2026 taxable income |
|---|---|
| Married filing jointly or surviving spouse | $98,900 |
| Head of household | $66,200 |
| Single | $49,450 |
| Married filing separately | $49,450 |
| Estates and trusts | $3,300 |
The IRS published these 2026 amounts in its 2026 Qualified Dividends and Capital Gain Tax Worksheet in Publication 505. If you are filing a 2025 return during 2026, use that return’s instructions and thresholds instead; the 2025 Form 1040 instructions apply to that return.
How do I calculate how much gain can be taxed at 0%?
- Choose the correct tax year and filing status. The threshold changes by filing status and tax year. Use the IRS return instructions or worksheet for the year of the income, not simply the year you file.
- Determine your taxable income. The bracket is measured using taxable income, not gross income. Ordinary taxable income occupies space in the bracket before eligible gains and qualified dividends are considered.
- Identify eligible gains and dividends. Separate eligible net long-term capital gain and qualified dividends from short-term gains and other income. Losses and special categories can affect the calculation.
- Complete the IRS worksheet for that year. The worksheet accounts for eligible gain and dividend amounts and the remaining room below the threshold for your filing status. The 2026 worksheet directs taxpayers: “Enter the smaller of line 21 or line 22. This amount is taxed at 0%.” Any eligible amount beyond the remaining room may be taxed at the next applicable capital-gains rate.
Example: ordinary income uses the bracket first
Suppose a single filer has $40,000 of taxable ordinary income before eligible long-term gains and qualified dividends. The 2026 single-filer threshold is $49,450, leaving at most $9,450 of space below that threshold for eligible gains and dividends, subject to the worksheet’s full calculation. If the filer has $12,000 of eligible gains and dividends, it would be incorrect to assume all $12,000 is taxed at 0%; the worksheet determines how much fits in the remaining space and how the excess is treated.
This illustration isolates the threshold concept; it is not a calculation of an individual tax bill. Actual taxable income and the worksheet’s treatment of the return’s items determine the result.
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Why “how much can I make tax-free?” has no universal answer
There is no single income level that guarantees a fixed amount of capital gains will be tax-free. The result depends on your filing status, tax year, taxable ordinary income, eligible gain and dividend amounts, loss offsets, and any special gain categories. A threshold is the top of a taxable-income band, not a separate capital-gains allowance.
When considering whether or when to realize gains, compare the full tax-year picture: filing status, other taxable income, gain type and amount, and available losses. Do not rely on gross income or the threshold alone to decide how much to sell.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Federal tax is not the whole picture
The thresholds and worksheet discussed here determine federal treatment. They do not establish whether you owe state income tax on a gain; state rules vary, so check the rules for your state. The IRS worksheet also does not replace applying the complete return to your circumstances, particularly when special gain categories are involved.
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