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 What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. Good Health is Good Business Good employee health can be great for the company’s bottom line. How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain.