Missouri · Free tool
Missouri PSRS Pension Calculator
The Public School Retirement System of Missouri (PSRS) calculates your pension as your years of credited service multiplied by a benefit factor multiplied by your final average salary. The factor is 2.5% for most members and rises to 2.55% at 32 or more years of service. Enter your numbers below for an estimate.
Enter your numbers. The percentage is pre-filled with the Missouri PSRS 2.5% benefit factor; change it to 2.55% if you will retire with 32 or more years of service.
The PSRS benefit factor is 2.5% per year of service, increasing to 2.55% per year if you retire with 32 or more years. Final average salary is the monthly average of your three highest consecutive years of PSRS-covered salary. Confirm your numbers with PSRS.
Your estimated Missouri PSRS pension
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Your pension replaces only 0% of your salary.
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Pick a time →Educational estimate only, not financial advice. Uses a simplified Missouri PSRS formula and your inputs; your real benefit varies by service, age, salary rules, and the benefit factor that applies.
How the Missouri PSRS formula works
PSRS uses a single benefit factor that steps up with long service. Members who retire with fewer than 32 years of service earn 2.5% per year of credited service. Members who reach 32 or more years earn the higher 2.55% factor on every year of service. The calculator above defaults to 2.5%, which fits most members.
Final average salary is the monthly average of your three highest consecutive years of PSRS-covered salary, which can include employer-paid health, dental, and vision premiums. Most Missouri public school teachers do not pay into Social Security on their PSRS-covered earnings, so your pension is the core of your retirement income. Use the full Teacher Retirement Calculator to combine your pension with your 403(b)/457(b) and any Social Security, or read what the WEP and GPO repeal means for teachers.
Questions
How is a Missouri PSRS pension calculated?
PSRS multiplies your years of credited service by a benefit factor by your final average salary. The factor is 2.5% under 32 years and 2.55% at 32 or more years. For example, 30 years at a $70,000 final average salary gives 2.5% × $70,000 × 30 = $52,500 per year.
What is the Missouri PSRS benefit factor?
It is 2.5% per year of service for members who retire with fewer than 32 years, and 2.55% per year for members who retire with 32 or more years. Final average salary is the monthly average of your three highest consecutive years of PSRS-covered salary.
Do Missouri teachers get Social Security?
Most Missouri PSRS members do not pay into Social Security on their PSRS-covered teaching salary. If you earned Social Security from other work, the WEP and GPO reductions were repealed in January 2025.