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 The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. How Income Taxes Work A quick look at how federal income taxes work. Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax.