April 24, 2018 14:28 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? How can I get an estimate of my TRF retirement benefit? What if I don’t know my username and password to log on to my PERF or TRF account? I'm the spouse of a PERF member who has died. How do I get a survivor benefit? If I annuitize my Defined Contribution (DC) account, how does INPRS calculate my monthly benefit?