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 Retiring the 4% Rule A portfolio created with your long-term objectives in mind is crucial as you pursue your dream retirement. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. 5 Benefits of Working in Retirement Here are 5 reason why you may consider working through retirement.