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 Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. Medicare At 65+ 65 or older? It may be time to enroll in Medicare. Read to learn if you’re eligible. Stop Wasting Money One way to find money is to examine your current spending habits and eliminate money wasters.