Assuming that $19399 is your Adjusted Gross Income (AGI) then you will fall into the 19,350-19,400 bracket which has a tax amount of 2,489 if single, 2,071 if married and filing joint, 2,489 if you are married and filing separately, and 2,309 if you are head of household.
There is a ton more information to take into account such as credits, allowed deductions, and even the status you file under which depends on your situation as to which could be a better option for you. If you are trying to guesstimate your taxes, you might do better to run your income numbers into a IRS Form 1040 or 1040EZ if you know you will not be itemize deducting anything beyond the standard deduction.
It boils down to that if you know your AGI, then you can see how much taxes you will owe based upon their chart. The chart is located in the IRS Form 1040 instruction booklet starting on page 77. For your convenience it is located: