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 Weatherproof Your Small Business How to risk-proof your small business. Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. Ways to Turn Spending into Savings Sometimes it can feel overwhelming. It seems like our financial needs outstrip our ability to meet them.