Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Related Content 18 Years’ Worth of Days The average retirement lasts for 18 years, with many lasting even longer. Will you fill your post-retirement days with purpose? Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.