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 Message Thank you! Oops! Related Content Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Dreaming Up an Active Retirement When you retire, how will you treat your next chapter? Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are?