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 Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. 5 Tips for Smarter Decisions in Turbulent Times Take the long view - 5 tips for staying on track even during volatile times 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.