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 Question Thank you! Oops! Related Content Insurance Needs Assessment: When You're Newly Married Marriage changes everything, including your insurance needs. Prevent a Rift: Money Tips for Newlyweds Couples may be able to head off many of the problems in a marriage that money can cause. Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors.