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 Question Thank you! Oops! Related Content Test Your Estate Strategy Knowledge Estate management can help ensure that your assets are transferred according to your wishes while managing tax issues. Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. Avoiding Cognitive Decline Try these activities to keep your brain sharp.