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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Preparing for the Expected You can plan ahead to protect yourself and your family against the financial consequences of deteriorating health. It May Be Time for a Financial Checkup It’s never a bad time to speak with your financial professional about changes in your situation. 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.