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 Bi-Weekly Payments This calculator estimates the savings from paying a mortgage bi-weekly instead of monthly. The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared? Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away.