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 Inflation & Retirement Estimate how much income may be needed at retirement to maintain your standard of living. The Sequence of Returns A look at how variable rates of return impact investors over time. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money.