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 Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years. Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. Acres of Diamonds In life it often happens that the answers to our most pressing questions are right in our own backyards.