25-Year Pension Calculator
Pre-filled with 25 years of service — adjust salary, multiplier, and options to match your plan.
What 25 Years of Service Pays at Different Salaries
| Final Avg Salary | 1.0% Multiplier | 1.5% Multiplier | 2.0% Multiplier | 2.5% Multiplier |
|---|---|---|---|---|
| $40K | $833/mo | $1,250/mo | $1,667/mo | $2,083/mo |
| $50K | $1,042/mo | $1,563/mo | $2,083/mo | $2,604/mo |
| $60K | $1,250/mo | $1,875/mo | $2,500/mo | $3,125/mo |
| $70K ★ | $1,458/mo | $2,188/mo | $2,917/mo | $3,646/mo |
| $80K | $1,667/mo | $2,500/mo | $3,333/mo | $4,167/mo |
| $90K | $1,875/mo | $2,813/mo | $3,750/mo | $4,688/mo |
| $100K | $2,083/mo | $3,125/mo | $4,167/mo | $5,208/mo |
★ Near median public-sector final salary (BLS NCS). Formula: Years × Multiplier% × Final Avg Salary ÷ 12. Figures are pre-tax estimates.
How COLA Affects Your 25-Year Pension Over Time
Base monthly benefit: $2,552 at retirement. COLA compounds annually. Most public plans cap COLA at 2–3%. Federal FERS is 2.5% for 2026.
| Year in Retirement | No COLA | 1% COLA | 2% COLA | 2.5% COLA | 3% COLA |
|---|---|---|---|---|---|
| Year 1 | $2,552/mo | $2,552/mo | $2,552/mo | $2,552/mo | $2,552/mo |
| Year 5 | $2,552/mo | $2,656/mo | $2,762/mo | $2,817/mo | $2,872/mo |
| Year 10 | $2,552/mo | $2,791/mo | $3,050/mo | $3,187/mo | $3,330/mo |
| Year 15 | $2,552/mo | $2,934/mo | $3,367/mo | $3,606/mo | $3,860/mo |
| Year 20 | $2,552/mo | $3,083/mo | $3,718/mo | $4,080/mo | $4,475/mo |
Figures assume no additional service accrual. Federal FERS 2026 COLA: 2.5%. Most state plans cap at 2–3%.
What 25 Years Earns Across Major Pension Plans
| Plan Type | Multiplier | Final Salary | Monthly Benefit | Income Replacement | Note |
|---|---|---|---|---|---|
| FERS (Federal) | 1% | $70K | $1,458/mo | 25% | Supplement expected before age 62 |
| CSRS (Federal, legacy) | 2% | $70K | $2,917/mo | 50% | Higher rate, no SS contribution |
| Typical State Plan | 1.67% | $70K | $2,435/mo | 42% | 1.5–2.0% range average |
| Teacher (TRS avg) | 2.1% | $70K | $3,063/mo | 53% | 2.0–2.2% range, varies by state |
Multipliers vary by plan design. Always verify your plan's Summary Plan Description (SPD) for the exact figure.
What 25 Years of Defined Benefit Service Means
At 25 years, most public pension systems treat you as a fully vested, retirement-eligible employee. Many state and municipal plans allow unreduced retirement at 25 years regardless of age, or with minimal age requirements.
Income replacement at 43–62% (depending on multiplier) means a 25-year pension can realistically serve as the primary pillar of retirement income — especially when combined with Social Security and even modest savings.
For federal FERS employees, 25 years means you're past the MRA+10 threshold and likely within reach of an unreduced annuity depending on your age. The FERS Supplement — paid until age 62 — further bridges the gap for those retiring before Social Security eligibility.
This is also the stage where survivor benefit cost-benefit analysis becomes critical. Electing a reduced joint-life payout at 25 years vs 30 years has a measurable difference in both the monthly cost and the projected value to a surviving spouse.
Income Replacement at a Glance
Monthly income comparison at 25 years, $70K salary, 1.75% multiplier.
Social Security average: $1,800/mo (SSA 2026). Combined pension + SS: $4,352/mo. Pension alone: 44% replacement.
Explore Other Service Lengths
Frequently Asked Questions: 25-Year Pension
With 25 years of service at a 1.75% multiplier and $70,000 final average salary, the formula yields approximately $2,552/month. At 1.0% (FERS standard), that's $1,458/month; at 2.0%, it's $2,917/month.
Most federal employees reach MRA (minimum retirement age) eligibility with 25 years.
Monthly Benefit = (25 × Multiplier% × Final Avg Salary) ÷ 12. Example: (25 × 1.75% × $70,000) ÷ 12 = $2,552/month.
At 2.5% annual COLA (2026 FERS rate), a $2,552 monthly benefit grows to approximately $4,182/month after 20 years in retirement.
It depends on whether your employer withheld Social Security taxes. FERS employees pay Social Security taxes and can collect both. CSRS and many state/local employees may face WEP or GPO reductions.
Most federal employees reach MRA (minimum retirement age) eligibility with 25 years. Most plans require a minimum combination of age and service. Check your Summary Plan Description for specific thresholds.
Methodology & Sources ↓
Lifetime Value = Monthly Benefit × 12 × (Life Expectancy − Retirement Age)
COLA Year N = Base Benefit × (1 + COLA Rate)^N
Sources: Office of Personnel Management (OPM) — FERS/CSRS benefit formulas; Bureau of Labor Statistics National Compensation Survey — plan multipliers and coverage rates; Social Security Administration actuarial tables — life expectancy projections; BLS CPI-W data — COLA rate history.
All calculations are pre-tax estimates based on the standard defined benefit formula. Actual benefits depend on your specific plan's rules, vesting schedule, and final average salary calculation method (high-3, high-5, or career average). This tool is for educational purposes only and does not constitute financial or legal advice.