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 Message Thank you! Oops! Related Content How Will You Be Remembered? How are you protecting your own memory through adequate legacy planning that will pass your gains safely on to your family. Infographic: Cash for Life? Lottery Isn’t the Only Way Guaranteed income can safeguard against running out of money. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money.