This calculator is a PHP University Project.
You can watch a time-lapse video of its construction on YouTube.

NOTE: This U.S. Federal Individual income tax calculator shows the estimated personal taxes owed by both individuals and married couples, whether employeed or self-employeed.

The 2013 income tax calculations are what the law currently specifies will be owed by Americans in the year 2013, unless Congress (beleaguered by the debt ceilling, a Presidential election, and massive looming automatic budget cuts) has the time and wherewithal to change the law.

The numbers are pretty troubling: 24% more taxes for the typical family. Leading economists have started stating that if the fiscal cliff isn't resolved, it could lead to a 20% market correction by March 2013.

But this is just part of the looming Fiscal Cliff [] that awaits us, that could be much more worse than people have predicted so far. It is speculated by leading theorists and politicians that there is a 70% chance the taxes will be owed if Obama is re-elected, and 30% if Romney is.


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Tax Liability

Yes! Congress took action and *permanently* fixed the Alternative Minimum Tax, which would have been much worse than what's listed.

2013-01-03 14:02 EST UPDATED FOR THE FISCAL CLIFF COMPROMISE~! The calculator is now using the final tax rates according to the IRS.

  2012 2013 2016 2017
Mode: Married: Joint
Gross Income: $20,000.00 $20,000.00 $20,000.00 $20,000.00
Federal Income Tax: $810.00 $780.00 $740.00 $730.00
Social Security Tax: $840.00 $1,240.00 $1,240.00 $1,240.00
Medicare Tax: $290.00 $290.00 $290.00 $290.00
Additional Medicare Tax:
Total Tax Liability: $1,940.00 $2,310.00
($370.00; +19.07% more)
$2,270.00 $2,260.00
Net Income: $18,060.00 $17,690.00 $17,730.00 $17,740.00

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Federal Corporate Income Tax Calculator

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