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 Question Thank you! Oops! Related Content What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month. Protect Your Retirement Income Gain the confidence and ability to enjoy retirement the way it should be enjoyed. Take Advantage of These Business Tax Deductions As a business owner, you have many opportunities to generate tax deductions throughout the year.