To calculate your effective tax rate, you need two numbers: the total amount you paid in taxes and your taxable income for ...

The marginal tax rate is what you pay on your highest dollar of taxable income. The U.S. progressive marginal tax method ...

That also varies depending on where you live and work. Here's a primer on income tax: what it is, how it works, how to calculate it and which states don't have it.

What's adjusted gross income, also known as AGI? Here's what to know about this important income tax calculation.

Learn how to calculate your annual income, whether you're salaried, hourly, or self-employed. Discover tips for accurate calculations and understanding your financial picture.

Calculate income tax withholding based on the total amount, using tax tables, schedules or payroll software. Subtract the tax already withheld or to be withheld from regular wages.