mt.gov
Glossary Feedback
Service Purchase Cost Calculator
Employment InformationCalculate Cost
Retirement System
Select the Retirement System in which you currently are a member.


Birth Date
In order to determine the cost, we need to collect your birth date.
 
Birth Date:
(MM/DD/YYYY)

Membership Service
Enter your current Membership Service. Include any service you have already purchased such as refunded, Teachers Retirement, previous unreported service you have purchased or are in the process of purchasing. Do not include Military Service, "One-for-Five" Service, and "Other" Public Service.
 
YearsMonths

Service Purchase
Enter any service purchased or in the process of purchasing.
 
YearsMonths