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 Don't Buy The Hype There are a lot of misconceptions about Social Security. Here’s the truth about three of them. Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.