March 30, 2017 18:37 Updated Follow You can get an estimate of your monthly pension benefit by logging on to your secure account here and selecting the PERF Pension tab to use the online calculator. Or, you can fill out this form and submit it to INPRS. Related articles How can I get an estimate of my PERF retirement benefit? What if I don’t know my user ID and passcode to log on to my PERF or TRF account? How can I get an estimate of my TRF retirement benefit? I'm the spouse of a PERF member who has died. How do I get a survivor benefit? If I annuitize my Annuity Savings Account (ASA), how does INPRS calculate my monthly benefit?