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 Don't Myth Out on Whole Life There are a lot of myths around whole life. Get the facts here. Financial Hacks for Millennials: Values-Based Investing Millennials can opt to follow a values-based investing strategy to invest their money in conscientious ways. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.