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 Surprises Making the most of surprises is a great reason to work with us. Ways to Manage Your Money and Taxes in Retirement Careful planning and tax-efficient drawdown strategies can help you enjoy the lifestyle you've dreamed of in retirement. Stop Wasting Money One way to find money is to examine your current spending habits and eliminate money wasters.