Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan. 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 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? Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Perception vs. Reality There’s an alarming difference between perception and reality for current and future retirees.