Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. 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 A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government. The Business Cycle Understanding the economy's cycles can help put current business conditions in better perspective. Forecast This short video helps explain why markets can be as unpredictable as the weather.