Taxation Calculators

How much of my social security benefit may be taxable?
Compare taxable, tax-deferred, and tax-free growth
Capital gains (and losses) tax estimator
How much self-employment tax will I pay?
Will my investment interest be deductible?
Should I adjust my payroll withholdings?
Federal Income Tax Estimator (Current Year)
What is my potential estate tax liability?
Tax freedom day
What is my taxable-equivalent yield?
2009 tax refund estimator
Should I itemize or take the standard deduction?
What are the tax implications of paying interest?