You can use TurboTax to help calculate your estimated tax payments even after filing (instructions below). But, you cannot make the actual payments through Turbotax (the program will produce physical vouchers for you that you can send into the IRS or you can make the payments at the IRS website).
You can get back into your return to calculate and print 2017 estimated taxes after filing but you will want to be careful not to change anything besides the estimated tax section. Here is how -
- Log into your account (make sure correct username)
- On the homepage, click the My TurboTax tab and then My Tax Timeline
- Scroll down to the section below your 2016 return entitled "Some Other Things you Can Do"
- Click "Add a State"
- This will allow you back into your return without amending (you don't need to actually add a state)
- This should bring you to a new homepage welcome screen
- Click Federal taxes > Other Tax Situations > Other Tax Forms > Form W4 and Estimated Taxes (or use the search feature and search for "W4" and click the jump to link).
- Follow the prompts and you will be asked a series of questions. The program will base the estimated payments off this years return, but if you anticipate having more or less income next year or if there will be other life changes (i.e you won't be able to claim a dependent anymore), then you can make those adjustments. Pay close attention to all the screens in this section because if you leave out an item, i.e. other taxes you have withheld from any W2 jobs you will have in 2017, it can make a big difference on your estimated tax payments
- After you have made the adjustments, if you are not prompted to print out fresh ES forms, then go to My Account > Print Center. Follow the prompts to download a new pdf and you can select the 1040 ES forms for printing.
You can also get these vouchers directly from the IRS and make the payments if you ever lose the vouchers TurboTax prints up or you decide to change the amount.
https://www.irs.gov/pub/irs-pdf/f1040es.pdf (payment vouchers are on pages 9-11)
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