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 Long-Term-Care Needs Determine your potential long-term care needs and how long your current assets might last. Forecast This short video helps explain why markets can be as unpredictable as the weather. Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next.