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 Should You Ever Retire? A growing number of Americans are pushing back the age at which they plan to retire. Or deciding not to retire at all. Dreaming Up an Active Retirement When you retire, how will you treat your next chapter? What Can You Buy With 529 Distributions? This article can be a helpful guide when begin preparing for education expenses.