What's My Potential Estate Tax? This calculator helps estimate your federal estate tax liability. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. Tying the Knot With the right planning, you can build confidence in the life you’re building together. 6 Steps to Rewire the Mind-Money Connection People develop their relationship with money from a young age. Yet it is never too late to change a bad financial habit.