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 What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons. Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan.