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 How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts. What Is an Annuity? Annuities are versatile tools that can help you save for retirement and generate income in retirement. Saving for Retirement This calculator can help you estimate how much you may need to save for retirement.