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 Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. A Living Trust Primer Living trusts are popular, but their appropriateness will depend upon your individual needs and objectives. Diversification, Patience, and Consistency Three important factors when it comes to your financial life.