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 Message Thank you! Oops! Related Content How to Make Charitable Giving a Lifelong Pursuit Charitable donations are good for the recipient, and increasingly, research shows that they are good for the giver, too. Learn, Earn and Retire at Any Age What can the rest of us learn from millennials’ desire to embrace all of life in the moment? From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history.