South Dakota Retirement System (SDRS)

The SDRS purchase calculator, when used in conjunction with the benefit calculator, is a valuable tool in your retirement planning. The purchase calculator estimates the cost to purchase various amounts and types of public service during different financing periods.

Purchase Calculator
1. Choose one of the following types of public service:	Class A Class B: Public Safety Class B: Judicial Convert Class A to Class B: Public Safety
2. Enter the number of months you wish to purchase/convert:	Months
3. Enter your age at time of purchase	Age
4. Enter your current annual salary (final average salary, if higher):	$ Salary
5. Financing period (months): (The interest charge is 7.75 percent. If you are on a semi-monthly payroll system, your payments will be approximately half the monthly amount.)	Months
6. Calculate —>
Your SDRS Purchase Cost:	$
Your Monthly SDRS Purchase Payment Amount: (Includes interest charges)	$

Years (Months / 12) X	Purchase Rate*	X Salary =	Cost
X	X	=

*The purchase rate is actuarially determined and depends on your age and the type of service to be purchased. A table of purchase rates is included in the Class descriptions.

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