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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Saving for College This calculator can help you estimate how much you should be saving for college. Recognizing the Challenges of Custodial Care The goal for most, when planning for retirement, is to ensure financial independence and never run out of money. Spend Mindfully by Adopting a Saver’s Mentality As we have all been forced to change our behaviors and depart from our “normal” routines, it is no wonder that our spending behaviors have changed too.