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 Are You Ready for Your Portfolio to Make a Difference? Learn about the rise of Impact Investing and how it may benefit you. Where Is the Market Headed? We all know the stock market can be unpredictable. We all want to know, “What’s next for the financial markets?” Paying Off a Credit Card Enter various payment options and determine how long it may take to pay off a credit card.