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 Three Key Questions to Answer Before Taking Social Security When to start? Should I continue to work? How can I maximize my benefit? Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need.