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 Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. Income Protection for Millennials Income protection insurance can replace earnings during a disability and recovery. Retirement Planning With Your Special Needs Child in Mind Having a special needs child adds another layer of complexity to retirement planning. A special needs trust may help.