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 Mortgages in Retirement Explore the benefits and drawbacks to paying off your mortgage prior to retirement with this article. What Does That Mean? IDK Financial acronyms you should know. Whole Life Insurance Can Be an Essential Piece of Your Retir You buy whole life insurance as protection for your loved ones and your legacy. But it can be so much more.