Retirement

FERS Supplement Calculator

Shows eligibility verdict, monthly and annual supplement, payment period.

Date of birth

Retirement date

Civilian service years

Creditable FERS civilian service (military deposits count once paid).Estimated Social Security at 62 (monthly)

From your SSA statement — the supplement is based on the age-62 benefit.Expected earnings per year before 62 ($)

Wages or self-employment income. $1 of supplement is lost per $2 over $24,480 (2026 limit).

Monthly supplement

$1,473

Payable — MRA with 30 years of service.

Show the math

Age at retirement: 58 years 9 months
Eligibility: Payable — MRA with 30 years of service. · Source
Benefit formula: $1,900 (SS at 62) × 31/40 civilian years = $1,473/month · Source
Earnings test: Under the $24,480 limit (2026) — no reduction · Source
Payment period: 38 monthly payments, 2026-12-31 through 2030-03-01 (stops the first day of the month you turn 62) · Source
Total over the period: $1,473 × 38 = $55,974