Staying on top of tax deadlines is one of the easiest ways to avoid penalties, interest charges, and unwanted stress. Whether you’re an individual taxpayer, self-employed, or a small business owner, this quick-reference calendar highlights key IRS deadlines for the year ahead — plus practical...

Many people earn money during the year but don’t have any, or enough, federal tax withheld from the payments. Or they have taxable income from sources such as interest, dividends, self-employment income or capital gains. If that’s the case, they may need to make estimated...