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 The Cost of Procrastination Don't let procrastination keep you from pursuing your financial dreams and goals. Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money. Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less.