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 Saving for College 101 Here’s a crash course on saving for college. Retirement Accounts When You Change Your Job This video discusses issues related to your retirement accounts when you move on from your job. Saving for College This calculator can help you estimate how much you should be saving for college.