Tax Calculators

IRS Penalty & Interest Calculator
Calculate IRS penalties and interest with this calculator that provides a summary of your IRS penalties and interest and can breakdown each line of the calculation.
IRS Interest Calculator
Calculate interest on IRS debt with this calculator that provides a summary report of accumulated interest on tax debt.
IRS & State Tax Brackets Calculator
Explore the latest tax brackets (2011-2014) with this Federal & State brackets calculator that through charts shows what percentage you keep.
Where to File Calculator
IRS where-to-file calculator that lets you know where to file tax forms such as Form 1040, 1120, 1120S, 1041, 720, etc...

Tax Resources

Tax Glossary
Free glossary of both tax & financial terms.
Tax Professional Directory
A directory of tax professionals such as tax attorneys, accountants, enrolled agents, and more.

Tax Articles

How to Write a Penalty Abatement Letter
An overview of what steps an author should take, and what they should include, in a persuasive IRS penalty abatement letter.
Sample Penalty Abatement Letter
An example IRS penalty abatement letter requesting relief from the failure to file and pay penalties.
Annotated Sample Penalty Abatement Letter
An annotated IRS penalty abatement request that provides explanations as to how to write to the IRS and request penalty relief.