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Free 2025 Federal AMT Calculator

When you exercise your incentive stock options (ISOs), you may owe Alternative Minimum Tax (AMT). Use this calculator to help you understand how much AMT you may owe. Unlike traditional income tax, where you're taxed when you sell your shares, AMT may apply when you exercise your ISOs even when you don't sell your shares.

Your ISO details

Your income

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Capital gains and losses

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Exemptions and deductions

This AMT calculator is for informational purposes only. It is calculated based on the information you provide. It is not intended to be a substitute for professional tax advice. Prior to making any decisions, please consult with a tax professional.

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