Federal Retirement Formula:
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The Federal Employees Retirement System (FERS) pension is calculated using your high-3 average salary, years of creditable service, and a 1% multiplier. This provides the foundation of your federal retirement benefits.
The calculator uses the FERS pension formula:
Where:
Explanation: The formula calculates your basic annuity, which forms one part of your complete FERS retirement package (along with TSP and Social Security).
Details: Understanding your projected pension helps with retirement planning, budgeting, and determining when you can afford to retire. The FERS pension provides a stable, lifetime income stream.
Tips: Enter your estimated high-3 average salary in dollars and your total years of federal service (including partial years as decimals). For more accurate results, use actual salary history if available.
Q1: What counts toward the high-3 average salary?
A: Your basic pay (before deductions) for any 36 consecutive months of federal service, typically your last 3 years but can be earlier if your pay was higher then.
Q2: How is the multiplier different for special cases?
A: The multiplier increases to 1.1% if you retire at age 62 or older with at least 20 years of service. Law enforcement and other special categories may have different calculations.
Q3: What's not included in this calculation?
A: This doesn't account for FERS Supplement (if eligible), TSP withdrawals, Social Security, or potential reductions for survivor benefits or early retirement.
Q4: How accurate is this estimate?
A: This provides a basic estimate. Your actual pension may differ based on specific circumstances, unused sick leave, part-time service, or other factors.
Q5: When should I get a formal estimate?
A: Request a retirement estimate from your HR office 12-18 months before planned retirement for precise figures.