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Form 6251 is used by individuals to calculate the Alternative Minimum Tax (AMT) for the tax year 2021. It requires taxpayers to report their Alternative Minimum Taxable Income and various adjustments, exemptions, and credits related to AMT. The form includes detailed instructions for completing each line and provides thresholds for determining the applicable tax rates based on filing status.

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Why am I paying alternative minimum tax?

Under the tax law, certain tax benefits can significantly reduce a taxpayers regular tax amount. The alternative minimum tax (AMT) applies to taxpayers with high economic income by setting a limit on those benefits. It helps to ensure that those taxpayers pay at least a minimum amount of tax.

Who gets hit with alternative minimum tax?

Who pays the AMT? Before the 2017 Tax Cuts and Jobs Act (TCJA), the individual alternative minimum tax (AMT) primarily affected well-off households, but not those with the very highest incomes. It was also more likely to hit taxpayers with large families, those who were married, and those who lived in high-tax states.

Does TurboTax support form 6251?

TurboTax Tip: You can plan for the AMT by using tax-planning software and reviewing Form 6251 annually.

What is form 6251 for?

Use Form 6251 to figure the amount, if any, of your alternative minimum tax (AMT). The AMT is a separate tax that is imposed in addition to your regular tax. It applies to taxpayers who have certain types of income that receive favorable treatment, or who qualify for certain deductions, under the tax law.

Who is eligible for alternative minimum tax?

Who pays the alternative minimum tax? You have an income above the AMT exemption (see above). You exercise incentive stock options (i.e., ISOs) to buy stock at a discounted strike price. You have a high ratio of long-term capital gains to ordinary income. You earn income from specific sources.

2021 irs form 6251

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What triggers the alternative minimum tax?

The AMT is the excess of the tentative minimum tax over the regular tax. Thus, the AMT is owed only if the tentative minimum tax for the year is greater than the regular tax for that year. The tentative minimum tax is figured separately from the regular tax.

Who is liable to pay alternative minimum taxes?

AMT is relevant for the following reasons: Individuals, Hindu Undivided Family (HUF), Association of Persons (AOP), Body of Individuals (BOI), or Artificial Judicial Person with a total adjusted income above Rs 20,000,000. Everyone else, regardless of their financial level, excluding the individuals listed above.

Do I qualify for alternative minimum tax?

The AMT is indexed yearly for inflation. For the 2025 tax year, its $88,100 for individuals and $137,000 for married couples filing jointly. It introduced higher income levels for exemption phaseout. Phaseout for the 2025 tax year starts at $626,350 for individuals and $1,252,700 for married couples filing jointly.

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