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 Question Thank you! Oops! Related Content Consider Keeping Your Life Insurance When You Retire Reasons to retain your coverage into your retirement years. Why Everyone Needs an Estate Strategy Do you have an estate strategy? You should. Managing the Risk of Outliving Your Money Steps to help you sustain and grow your retirement savings.