What is Form 6251?

Information about Form 6251, Alternative Minimum Tax - Individuals, including recent updates, related forms and instructions on how to file. Form 6251 is used by individuals to figure alternative minimum tax. Use this form to figure the amount, if any, of your alternative minimum tax (AMT).

What if I owe a tax bill 6251?

Alternatively, you can use tax software or enlist a tax pro. Only if there is AMT owed will Form 6251 have to be attached to Form 1040. The AMT requires affected taxpayers to calculate their tax bill under the ordinary income tax system and again under the AMT, paying the higher of the two amounts.

Who must file Form 6251 for AMT?

The AMT applies to individuals if their AMT liability exceeds their regular tax liability. The AMT tax rate is 26% on the first $206,100 of alternative minimum taxable income ($103,050 if married filing separately) and 28% on any amount over that. Here are some key things to know about who must file Form 6251 for the individual AMT: