Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Dog Bites Neighbor. Now What? Even dogs have bad days. So, what happens when your dog bites a neighbor or passing pedestrian? What Is a 1035 Exchange? 1035 exchanges provide a way to trade-in an annuity contract or life insurance policy without triggering a tax liability.