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 Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors. 12 Steps to Living: Horizon, Risk Tolerance, and Compounding Understand the concepts of horizon, compounding, and risk tolerance, and create an investment plan. Don’t Let Bad Financial Habits Haunt Your Retirement When it comes to retirement, some people can quit working and fall immediately into good money habits that they’ve practiced for years.