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 How to Retire Early Retiring early sounds like a dream come true, but it’s important to take a look at the cold, hard facts. 5 Reasons to Invest in Your 401(k) Did you know that your savings can compound over time? Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit.