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 Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions. Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile. Saving for Retirement This calculator can help you estimate how much you may need to save for retirement.