Making Your Tax Bracket Work Have you explored all your options when it comes to managing your taxable income? Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. Tax Reform: Before and After What did the 2017 Tax Cuts and Jobs Act change? Here's a quick snapshot. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.