Estimated Taxes: Pay as You Go or Pay the Price

The deadline for the first estimated tax payment for 2013 is coming up on April 15. If you don't pay enough tax through withholding or estimated payments or if you fail to pay the required amounts by the due dates, you may have to pay a penalty. When calculating the amount of estimated tax payments to send the IRS this year, you should take into account some new taxes and tax changes that became effective this year. Here are the details.

The four estimated tax deadlines for 2013 fall on:

• April 15, 2013;
• June 17, 2013;
• September 16, 2013; and
• January 15, 2014.        

The four estimated tax deadlines for 2013 fall on:

• Apr