My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. 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 What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children. Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. Is Term Life Insurance for You? Term insurance is the simplest form of life insurance. Here's how it works.