Form 1040 is a federal income tax form that most people use each year ... You can think of the 1040 like a math worksheet: You plug in various numbers from a schedule (Form 1040 will tell you ...

There are seven income tax rates and brackets, ranging from 10% to 37%. Find out what federal income tax bracket(s) you're in, how tax rates work and what you can do to cut your tax bill.

Federal income tax returns are due on April 15, but there are several other important dates to remember throughout the year.