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 Financial Empowerment for Women Tips on how women can gain financial confidence. 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. A Bucket Plan to Go with Your Bucket List Longer, healthier living can put greater stress on retirement assets; the bucket approach may be one answer.