Discover how income tax works, the different types, and how they're calculated for individuals and businesses. Learn about federal, state, and local taxes.

Capital gains are taxed in the taxable year they are "realized." Your capital gain (or loss) is generally realized for tax purposes when you sell a capital asset. As a result, capital assets can ...

Knowing your effective tax rate can help you understand how well you’ve been managing your tax situation throughout the year.

Learn about gross, operating, and net profit margins, how each is calculated, and how businesses and investors can use them to analyze a company’s profitability.