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 Question Thank you! Oops! Related Content Surprise! You’ve Got Money! Here’s a quick guide to checking to see if you have unclaimed money. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference?