Notes and Instructions on the use of this tool for simulating the revenue effects of changes in the US Federal Income Tax.


Rows with three values refer to Single, Married, and Head of Household, respectively.
Rows with one value refer to all tax filers. Defaults are 2001 law.


Personal Exemption
Personal Exemption

Treatment of Itemized Deductions
AllowedNotDeduction and a
Preference for AMT
Interest
State Income Tax
Property Tax
Ceiling on Cash Contributions
Ceiling on Other Contributions

Rates and Brackets
 
Single
Married
Head of Household
Standard Deduction
1st Bracket End
1st Bracket Rate  
2nd Bracket End
2nd Bracket Rate  
3rd Bracket End
3rd Bracket Rate  
4th Bracket End
3rd Bracket Rate  
Top Rate  

Alternative Minimum Tax
 
Single
Married
Head of Household
Rate on income above
Exclusion
Exclusion Phase Out
at rate  
Surtax rate  
Surtax start  

Child Tax Credit
 
Single
Married
Head of Household
Maximum * number of children
Start of Phase Out
Rate * agi above phase out
Minimum earned income
for additional child tax credit		  
Rate * earned income above threshold ( complicated )

Last Update: March 30 , 2005 Created by Jean Roth   March 30, 2005