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 Risk Perspective Is it possible to avoid loss? Not entirely, but you can attempt to manage risk. Roth IRA for Kids Learn about the benefits and requirements of opening a Roth IRA for kids. Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic.