Plan for a Comfortable Retirement with the FERS Retirement Calculator Retirement planning doesn’t have to be complicated. The FERS Retirement Calculator provides federal employees with a quick and accurate estimate of their pension benefits. Using the FERS Pension Calculator, you can calculate how much you’ll receive based on your high-3 salary, years of service, and retirement age. ... https://www.federalpensionadvisors.com/federal-pension-calculator