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 Question Thank you! Oops! Related Content Where Will Your Retirement Money Come From? Retirement income may come from a variety of sources. Here's an overview of the six main sources. Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions. The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls.