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 Saving for College 101 Here’s a crash course on saving for college. Buying Auto Insurance For Teen Drivers Tips on insuring your teen driver. Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college.