Is the 2018 1040 form available now ?

[Opus 17 · Accepted solution]

No. The IRS has published some working drafts but they are not official.

[VolvoGirl]

And the Turbo Tax Desktop program won’t come out until November and Online usually opens in December.

[SweetieJean]

You can do a Federal estimate here:
<a rel="nofollow" target="_blank" href="https://turbotax.intuit.com/tax-tools/calculators/taxcaster/">https://turbotax.intuit.com/tax-tools/...>