Alternative Minimum Tax (AMT) Calculator
2026Calculate whether you owe AMT from ISO stock options, SALT deductions, or high income.
Regular Tax
$41,063.00
Additional AMT
$14,811.00
Total Tax
$55,874.00
AMT Calculation
| Regular Taxable Income | $200,000.00 |
| + ISO Exercise Spread | $100,000.00 |
| + SALT Addback (above $10K) | $5,000.00 |
| Alternative Minimum Taxable Income (AMTI) | $305,000.00 |
| AMT Exemption (Single) | $90,100.00 |
| AMT Taxable Income | $214,900.00 |
| Tentative Minimum Tax | $55,874.00 |
Tax Comparison
| Regular Federal Tax | $41,063.00 |
| Tentative Minimum Tax (AMT) | $55,874.00 |
| Additional AMT Owed | $14,811.00 |
| Total Federal Tax | $55,874.00 |
| AMT Triggered? | Yes |
Strategies to Minimize AMT
| Spread ISO exercises | Exercise over multiple tax years |
| Time exercises strategically | Exercise when stock price is near strike |
| AMT credit carryforward | AMT paid on ISOs generates a credit for future years |
| Consider disqualifying disposition | Selling ISO shares early avoids AMT (but loses LTCG) |
| Minimize SALT in AMT years | Defer property tax payments if possible |
Use the Alternative Minimum Tax (AMT) Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
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