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 Personal Finance Tips for Military Families Military families face unique challenges, making personal finance even more critical. The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge. Forecast This short video helps explain why markets can be as unpredictable as the weather.