Alternative Minimum Tax (AMT) Calculator

Calculate your potential AMT liability based on your filing status and adjustments

Filing Status

 

Income Information

AMT Adjustments & Preferences

Frequently Asked Questions

What is the AMT exemption amount? +
The AMT exemption amount varies by filing status. For 2024: Single filers: $81,300; Married Filing Jointly: $126,500; Married Filing Separately: $63,250.
When does the exemption phase out? +
The exemption begins phasing out at: Single: $578,150; Married Filing Jointly: $1,156,300; Married Filing Separately: $578,150 (2024 amounts).
What triggers AMT liability? +
Common triggers include exercising ISOs, large state/local tax deductions, private activity bond interest, and certain mortgage interest deductions.

Sign Up