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 Saving on Subscription Service Costs There are ways to improve your physical fitness without denting your fiscal fitness. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. You May Need to Make Estimated Tax Payments If… Have income that isn’t subject to tax withholding? Or insufficient withholdings? You may have to pay estimated taxes.