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 A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit. Women on the Rise Explore the growing influence women wield over the economy with this handy infographic. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.