AMT Calculator

Calculate your Alternative Minimum Tax (AMT) liability based on income, SALT deductions, ISO stock option exercises, and filing status using 2024 IRS parameters.

Tax Disclaimer

This calculator provides estimates based on general tax rules and may not reflect your specific situation. Tax laws vary by jurisdiction and change frequently. Consult a qualified tax professional or CPA for advice tailored to your circumstances.

Inputs

Total Income ($)

Filing Status

State & Local Taxes ($)

ISO Exercise Spread ($)

Other AMT Preferences ($)

Tab to move between fields

Results

AMT Owed

Total Federal Tax$53,015

Effective Tax Rate21.21%

AMT Income (AMTI)$245,400

AMT Exemption Used$85,700

Tentative Minimum Tax$41,522

Regular Tax$53,015

How to Use This Calculator

Enter Total Income including wages, salary, and ordinary income before deductions.
Select Filing Status to apply the correct AMT exemption amount.
Enter State & Local Taxes paid — SALT deductions are added back for AMT purposes.
Set ISO Exercise Spread if you exercised incentive stock options — this is a major AMT preference item.
Enter Other AMT Preferences (private-activity bond interest, depletion).
Review AMT Owed — if positive, you pay this in addition to regular tax. Consider timing ISO exercises to minimize AMT.

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