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 Coaches Coaches have helped you your whole life, in ways big and small. We’d like to be one of them. You Are Not Alone it Just Feels That Way Let’s start getting your financial priorities and attitudes in sync with model behaviors. Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns.