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 Message Thank you! Oops! Related Content How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money. IRA Withdrawals that Escape the 10% Tax Penalty The list of IRA withdrawals that may be taken without incurring a 10% early penalty has grown. Investment Challenges of the Affluent Investor Affluent investors face unique challenges when putting together an investment strategy. Make sure you keep these in mind.