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 Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. What You Should Do About Insurance Following a Divorce In the face of divorce, making changes to insurance coverage may be overlooked.