Taxation Calculators

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