Alternative Minimum Tax Calculator
AMT Estimator
Estimate your Alternative Minimum Tax liability
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Formula
AMT = max(0, Tentative Minimum Tax - Regular Tax); TMT = 26% of AMT base up to threshold + 28% above
Frequently Asked Questions
What triggers the Alternative Minimum Tax?
Common AMT triggers include exercising incentive stock options (ISOs), large state and local tax deductions, certain tax-exempt interest, and other preference items that reduce regular tax but not AMT.
What is the AMT exemption amount?
For 2024, the AMT exemption is $85,700 for single filers and $133,300 for married filing jointly. The exemption phases out at 25 cents per dollar over $609,350 (single) or $1,218,700 (married).
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