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 Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. Earnings for All Seasons Earnings season can move markets. What is it and why is it important? Why Everyone Needs an Estate Strategy Do you have an estate strategy? You should.