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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Insurance Needs Assessment: When You're Newly Married Marriage changes everything, including your insurance needs. Traditional vs. Roth IRA One or the other? Perhaps both traditional and Roth IRAs can play a part in your retirement plans. Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away.