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 5 Benefits of Working in Retirement Here are 5 reason why you may consider working through retirement. Starting a Roth IRA for a Teen This early financial decision could prove helpful over time. Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less.