The Facts About Income Tax

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

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Federal Income Tax

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

Understanding Marginal Income Tax Brackets

An inside look at how marginal income tax brackets work.

Comparing Investments

This calculator compares the net gain of a taxable investment versus a tax-favored one.