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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Preparing For the Ultimate Vacation Make your retirement as exciting as your next vacation. Infographic: Women Are Financially Savvy Women are financially savvy. Yet, there are still unique challenges working against women in retirement. Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k).