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 The Mattress Dilemma: Where to Stash Your Savings? Americans are saving more these days.1 Especially millennials. We know why to save: For emergencies, for retirement, to afford big-ticket dreams like home ownership or opening a business. But how to save is another matter. Insurance Options for Business Succession Planning Business owners with the desire to see their businesses continue after they are no longer involved need to plan quite carefully. Infographic: 2019 Taxes by the Numbers Here are the official tax numbers for 2019.