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 Raising Healthy Children Healthy habits are one of the greatest gifts to give your child. The ABC’s of Auto Insurance What kind of auto insurance should you have? Do you know? Starting a Roth IRA for a Teen This early financial decision could prove helpful over time.