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 Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers. 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.