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 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. A Living Trust Primer Living trusts are popular, but their appropriateness will depend upon your individual needs and objectives. How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money and give you peace of mind.