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Good to Know
This uses the standard years × multiplier × final-average-salary formula most defined-benefit plans are built on, but many real plans add their own adjustments this calculator doesn't model — a cap on the maximum benefit percentage, cost-of-living adjustments, early-retirement reductions, or a different averaging period. Check your specific plan documents or benefits administrator for your exact figures.
Disclaimer
This calculator provides estimates for informational purposes only and does not constitute financial, medical, legal, or tax advice. Always consult a qualified professional about your specific situation.
How This Calculator Works
A traditional pension pays a guaranteed retirement income calculated from a fixed formula —
your years of service multiplied by your plan’s benefit rate, multiplied by your final average
salary. Enter those three figures, and this calculator finds your estimated annual and monthly
pension.
This is fundamentally different from a Retirement / 401(k) Savings Calculator or other
defined-contribution plan: a pension’s payout doesn’t depend on investment returns or market
performance at all — it’s set entirely by the plan’s own formula, which is why it’s called a
“defined benefit.” The tradeoff is that a pension typically requires vesting after a minimum
number of years of service and isn’t portable the way a 401(k) balance is if you change employers.
The Formula
Annual Pension=Years of Service×Benefit Multiplier×Final Average Salary
The benefit multiplier (also called an “accrual rate”) is set by your specific plan — commonly
somewhere between 1.5% and 2.5% per year of service, though it varies widely. Final average
salary is usually an average of your highest-earning years (often the final 3-5 years of
service), not a single year’s salary. Both figures are specific to your plan and should come from
your plan documents or benefits administrator, not a general assumption.
Worked Example
30 years of service, a 2% benefit multiplier, and a $80,000 final average salary:
Annual pension: 30 × 2% × $80,000 = $48,000.
Monthly pension: $48,000 ÷ 12 = $4,000.
Income replacement: $48,000 ÷ $80,000 = 60% of final salary.
Cómo funciona esta calculadora
Una pensión tradicional paga un ingreso de jubilación garantizado, calculado con una fórmula
fija — tus años de servicio multiplicados por la tasa de beneficio de tu plan, multiplicados por
tu salario promedio final. Ingresa esas tres cifras, y esta calculadora encuentra tu pensión
anual y mensual estimada.
Esto es fundamentalmente distinto de una Retirement / 401(k) Savings Calculator u otro plan de contribución
definida: el pago de una pensión no depende en absoluto de los rendimientos
de inversión ni del desempeño del mercado — se determina por completo mediante la fórmula propia
del plan, razón por la cual se le llama “beneficio definido”. La contrapartida es que una pensión
generalmente requiere un período mínimo de años de servicio antes de adquirir el derecho pleno a
los beneficios (vesting), y no es transferible de la misma manera en que lo es el saldo de un
401(k) si cambias de empleador.
La fórmula
Pensioˊn anual=An˜os de servicio×Multiplicador de beneficio×Salario promedio final
El multiplicador de beneficio (también llamado “tasa de acumulación”) lo establece tu plan
específico — comúnmente entre 1.5% y 2.5% por año de servicio, aunque varía ampliamente. El
salario promedio final suele ser un promedio de tus años de mayores ingresos (a menudo los
últimos 3 a 5 años de servicio), no el salario de un solo año. Ambas cifras son específicas de tu
plan y deberían provenir de los documentos de tu plan o de tu administrador de beneficios, no de
una suposición general.
Ejemplo resuelto
30 años de servicio, un multiplicador de beneficio del 2%, y un salario promedio final de
$80,000:
Pensión anual: 30 × 2% × $80,000 = $48,000.
Pensión mensual: $48,000 ÷ 12 = $4,000.
Reemplazo de ingresos: $48,000 ÷ $80,000 = 60% del salario final.
A pension (defined-benefit plan) pays a guaranteed amount set by a formula, regardless of how any underlying investments perform — that risk sits with the employer or pension fund. A 401(k) (defined-contribution plan) is just an account balance that grows or shrinks with contributions and investment returns, with no guaranteed payout amount.
What is vesting, and why does it matter?
Vesting is the minimum period of service required before you're entitled to keep any employer-funded pension benefit at all — leave before you're vested, and you typically forfeit it entirely. This calculator assumes you're already vested; check your plan's specific vesting schedule if you're considering leaving before retirement.
Can I increase my pension benefit?
Since the formula is fixed, the two levers you actually control are working more years of service (which multiplies directly into the formula) and increasing your final average salary in your highest-earning years — both raise the result proportionally.
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