Pension Calculator

Estimate a simple defined-benefit pension from final average salary, credited years of service, and the plan multiplier, then check annual pension, monthly pension, and replacement rate.

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Estimate, not advice Payment or total shown Example inputs Tab-only history
Estimated monthly pension$2,952.00

1.6% x 27 years x $82,000

Estimated annual pension
$35,424.00
Replacement rate
43.2%
Years of service
27 years

Check the real plan document for vesting, service credit, early retirement reductions, survivor choices, COLA, lump-sum options, PBGC limits, and tax rules.

Formula steps

  1. Multiply the plan salary number by credited years of service.
  2. Apply the plan multiplier percentage to estimate the annual pension.
  3. Divide the annual estimate by 12 for a before-tax monthly amount.
  4. Compare annual pension with final average salary to see the replacement rate.

How to use the Pension Calculator

  1. Enter the final average salary or plan salary number used by the pension formula.
  2. Enter credited years of service, including partial years only if your plan counts them.
  3. Add the plan multiplier as a percent, such as 1.6 for a 1.6% multiplier.
  4. Calculate, then compare annual pension, monthly pension, and replacement rate before checking your plan document or benefit statement.

What people use it for

Estimate a defined-benefit pension from salary, credited service, and multiplier.

Turn an annual pension estimate into a monthly before-tax amount.

Compare how more service years or a different multiplier changes the estimate.

Check replacement rate before reading the official plan document or benefit statement.

Quick examples

Main estimate

$82,000 final average salary, 27 service years, 1.6% multiplier

$35,424/year or $2,952/month

Long service

$96,000 salary, 32.5 service years, 1.7% multiplier

$53,040/year or $4,420/month

Smaller multiplier

$70,000 salary, 20 service years, 1.2% multiplier

$16,800/year or $1,400/month

Need the guide or a nearby tool?

Need a slower walkthrough, a related calculator, or the full library? These links keep you close to the task you started.

Frequently asked questions

Plain-language answers about when to use the estimate, what your numbers mean, what is left out, and how privacy works.

When should I use the Pension Calculator?

Use it when you want to test the exact inputs on this page: Estimate a defined-benefit pension from salary, credited service, and multiplier. Turn an annual pension estimate into a monthly before-tax amount. The result is a check against your assumptions, not proof that a lender, tax app, broker, platform, or provider will use the same number.

What do the main Pension Calculator inputs mean?

Final average salary means the annual salary number your pension formula uses, often an average from your highest or final earning years. Credited years of service means the service years your plan counts for the formula, which may differ from calendar years worked. Benefit multiplier means the plan percent applied for each service year, such as 1.6 for a 1.6% multiplier.

Is this for a defined-benefit pension or a 401K?

This page is for defined-benefit style pension math: salary times credited service times multiplier. A 401K or IRA works differently because the balance depends on contributions, investments, fees, and withdrawals.

Does this include survivor benefits or early retirement cuts?

No. Survivor options, joint-and-survivor choices, early retirement reductions, disability rules, and lump-sum choices can all change the real monthly benefit. Use your plan document or benefit statement for those details.

What is the Pension Calculator doing with my numbers?

In plain language: The calculator multiplies final average salary by credited years of service and the benefit multiplier, then divides the annual pension by 12 for a monthly estimate. $82,000 times 27 service years times a 1.6% multiplier gives a $35,424 annual estimate, or $2,952 per month before taxes and plan adjustments.

How should I read the Pension Calculator answer?

Read the monthly estimate first, then check annual pension and replacement rate. Replacement rate shows how much of final average salary the simple formula replaces.

What does this estimate leave out?

This is not your plan benefit statement. It does not include vesting, service-credit rules, early retirement reductions, survivor choices, joint-and-survivor adjustments, cost-of-living adjustments, lump-sum options, taxes, PBGC limits, or plan-specific formulas. Use the plan summary, benefit statement, pension administrator, PBGC information, and tax guidance for the exact benefit, payment form, guarantees, and taxable amount.

What should I double-check before copying the result?

Check whether your plan uses final average salary, career average pay, credited service, partial years, caps, early retirement factors, or a different multiplier before copying the result.

Why does replacement rate matter?

Replacement rate compares the estimated annual pension with final average salary. It is a quick way to see how much of that salary the simple formula replaces before tax, savings, Social Security, or other retirement income.

Can PBGC change my pension estimate?

PBGC does not set your normal plan formula, but PBGC guarantees have limits if a covered private defined-benefit plan fails. That is another reason this page should not replace an official benefit statement.

Does the site save my finance inputs?

No. The calculator runs in your browser tab. Recent answers stay only on the page while you use it, and they are not sent to a server.

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