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 Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. Prevent a Rift: Money Tips for Newlyweds Couples may be able to head off many of the problems in a marriage that money can cause. Six Surprising Facts About Retirement Confidence This attention-grabbing infographic covers retirement topics you may not have considered.