The benefit estimate calculator provides an unofficial estimate of the monthly benefit you may receive at retirement. If you are a member of one of the defined benefit plans PEBA administers, you can access the calculator through Member Accessexternal link, opens in a new tab. The calculator provides an estimate only and is subject to change. The estimate does not include credit for unused annual or sick leave and is not a guarantee that you will receive any benefit calculated by its use. You may also request a retirement benefit estimate by calling our Customer Service department.