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. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Tax-Advantaged Retirement Strategies Heading into retirement with confidence is easier if your strategy includes steps to help minimize taxes. Even though your income is likely to decline, you still could be subject to high taxes if you’re not careful. Estimate Your Health Care Costs in Retirement Studies show that health care concerns are the top of the list for Americans planning their retirements. Thanks Mom It turns out Mom really did know best when she laid down essential truths to live by.