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 Question Thank you! Oops! Related Content Creative Ways to Motivate Your Employees Five creative (and inexpensive) ideas for motivating your employees. Are Alternative Investments Right for You? With alternative investments, it’s critical to sort through the complexity. What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement.