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 Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. Creative Ways to Motivate Your Employees Five creative (and inexpensive) ideas for motivating your employees. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction.