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 Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors. The Business Cycle Understanding the economy's cycles can help put current business conditions in better perspective. What to Do When You Lose Your Wallet Ever lost your wallet? Frustrating. Here’s what you can do to keep yourself safe.