What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children. 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 The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge. Choosing a Business Structure Entrepreneurs all face the same question, “Which business structure should I adopt?” Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement.