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 Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. The Average American Budget Learn about the average American budget in this fun and interactive piece. Your Emergency Fund: How Much Is Enough? Having an emergency fund may help alleviate the stress and worry associated with a financial crisis.