The Facts About Income Tax

Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you.

Related Contents

Federal Income Tax

Use this calculator to estimate your income tax liability along with average and marginal tax rates.

Red Flags for Tax Auditors

Here are six flags that may make your tax return prime for an IRS audit.

Social Security Taxes

Estimate how much of your Social Security benefit may be considered taxable.