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 to Look for in Personal Finance Apps An increasing number have been developed to help individuals with their personal finances. Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return.