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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit. When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Inflation & Retirement Estimate how much income may be needed at retirement to maintain your standard of living.