TurboTax cannot and will not calculate late penalties. The IRS will do that after they receive the payment that was due on the filing deadline. It will continue to increase if you wait. The IRS will base the interest and/or penalties on how much you owed and when they receive a payment from you.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
