Does Sick Leave Affect Your FERS Retirement Eligibility? A common misconception is that sick leave counts toward retirement eligibility under FERS. In reality, while the FERS sick leave conversion chart helps convert sick leave into extra pensionable service, it does not impact eligibility requirements. Employees must first qualify for retirement based on age and years of service be... https://www.federalpensionadvisors.com/post/fers-sick-leave-conversion-chart