How do I know total tax or adjusted tax due?

Your taxable income minus your tax deductions equals your gross tax liability. Gross tax liability minus any tax credits you're eligible for equals your total income tax liability.

If you look at your Form 1040, your balance due will be reflected on line 37 will reflect the amount you owe.

If you are using TurboTax Desktop, you can view this as follows:

1. Switch to Forms Mode, and then  (see screenshots below for additional guidance)
2. Scroll through your forms in the left panel and 
3. Click on the form you want to preview (Example Form 1040)

You can get to your Tax Return in TurboTax Online as follows: 

1. Go to "Tax Tools" in your left panel,
2. Select "Tools" and then 
3. Select "View Tax Summary" and 
4. Select "Preview Form 1040"

Your left panel (list of forms) will look something like this:

In TurboTax Online it will look like this:

Lines 2a & @b show your taxable interest and tax exempt interest.

Click here for additional information on previewing your tax return.