Here's what you should know about income tax, what it is, how it works, how to calculate it and which states don't have it.

Most forms of income count as taxable — but not all. Here’s how to calculate yours and some ways to reduce your liability. Many, or all, of the products featured on this page are from our advertising ...

Effective tax rate is your average tax rate as a percentage of total income. Marginal tax rate is the tax on your highest dollar earned, not your total income. Historically, top marginal rates have ...

For the successful individual investor, generating returns is only half the battle. The other, often more challenging, half is keeping as much of that return as possible from the taxman. This is where ...