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 Acres of Diamonds In life it often happens that the answers to our most pressing questions are right in our own backyards. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. Retirement Questions That Have Nothing to Do With Money Things to consider before retirement.