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 Question Thank you! Oops! Related Content What Is My Risk Tolerance? This questionnaire will help determine your tolerance for investment risk. The Great Debate Continues: Active vs. Passive In investments, one great debate asks the question, “Active or Passive Investing: Which Is Better?” A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss.