Pension Calculator
Last updated: July 2026
Estimate a defined-benefit pension from final average salary, service years, and plan multiplier.
Estimated annual pension
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- Estimated monthly pension: —
- Gross replacement rate: —
- Reduction amount: —
On this page
Quick summary: Estimate a defined-benefit pension from final average salary, service years, and plan multiplier. Enter the requested values, calculate, review the result, and compare more than one realistic scenario before making a decision.
Read the complete guide
What this calculator does
The Pension Calculator estimates retirement income from pension assumptions such as salary, years of service, benefit multiplier, or payout values represented by the form.
How to use the calculator step by step
Enter the pension inputs exactly as defined by the plan, such as final average salary, credited service, and accrual rate. Compare the estimate with official plan documentation.
How the calculation works
A common defined-benefit formula multiplies a salary measure by years of service and a benefit percentage. Plans can also use points, career-average earnings, or other structures.
Worked example and scenario testing
A plan using 1.5% × final average salary × 30 years of service would produce a benefit equal to 45% of the defined salary base before any plan-specific adjustments.
How to interpret your result
The estimate represents pension income under the formula entered. Actual benefit may depend on retirement age, survivor options, early-retirement reductions, and cost-of-living adjustments.
Accuracy, assumptions, and limitations
Every pension plan has its own eligibility, vesting, salary definitions, retirement factors, survivor rules, and inflation adjustments.
Common mistakes to avoid
Do not assume years employed always equal credited service. Also verify whether the formula uses final salary, final average salary, or career-average earnings.
Privacy and browser-based calculations
Only general salary and service assumptions are needed. Do not enter employee IDs, pension account numbers, or personal plan credentials.