Pension Calculator Online
Estimate a defined-benefit pension from salary, years of service and accrual rate in your browser. Estimates only — not financial advice.
The Pension Calculator runs entirely in your browser. The salary, years of service and accrual rate you enter never leave your device and nothing is uploaded to ArrayKit. Results are estimates only — not financial advice.
Open the Retirement Calculator
About Pension Calculator
The Pension Calculator estimates your defined-benefit pension income from a final or average salary, years of credited service, and your plan's accrual rate. It applies the standard formula most employer pension plans use — salary × years of service × accrual rate — and shows both the annual and monthly payout, plus an optional cost-of-living adjustment projected over your years in retirement. It is useful for anyone comparing a job offer's pension benefit, planning a retirement budget, or sanity-checking a benefit statement from HR. These are estimates only — not financial advice — since real plans add vesting rules, caps, early-retirement reductions and other provisions that vary by employer and jurisdiction. Everything runs locally in your browser; your salary and service details are never uploaded.
Features
- Estimates annual and monthly pension income from salary, service and accrual rate
- Uses the standard final/average salary × years of service × accrual rate formula
- Optional cost-of-living adjustment (COLA) projects the pension forward in retirement
- Shows the total accrual percentage applied across your years of service
- Instant recalculation as you adjust any input
- Copy a plain-text summary of every result with one click
- Clear error messages for invalid or missing input
- Runs entirely in your browser with no salary or service data sent anywhere
How to use the Pension Calculator
- Enter your final or average salary
- Enter your years of credited service
- Enter your plan's accrual rate as a percent
- Optionally add a COLA percent and years in retirement to project growth
- Read the annual and monthly pension estimate, and copy the summary
Example
Input
$80k, 30 yr, 1.5%
Output
Pension: $36,000/yr ($3,000/mo)
80,000 × 30 × 1.5% = 36,000 annual pension, or 3,000 per month.
Common errors & troubleshooting
- Pension estimate looks far too low compared to a plan statement. — Enter the accrual rate as a percent (1.5), not a decimal (0.015) — the Pension Calculator multiplies by accrualRatePct / 100 internally.
- Years of service does not match the HR benefit statement. — Use years of credited service under the plan, which can differ from total employment years if there were breaks, part-time periods, or a vesting delay.
- COLA projection seems too aggressive over a long retirement. — The COLA field compounds annually over the years in retirement you enter — try 0 years to see the un-adjusted first-year payout, then increase it to see the projection.
- Result differs from the actual pension plan payout. — This tool models the common salary × service × accrual formula; real plans may use career-average salary, benefit caps, or reduced early-retirement factors that this estimate does not include.
Frequently asked questions
- What does the Pension Calculator estimate?
- It estimates your annual and monthly defined-benefit pension income using the standard formula: final or average salary × years of service × accrual rate. It also offers an optional cost-of-living adjustment projection.
- How does the Pension Calculator handle the accrual rate?
- Enter the accrual rate as a percent per year of service, such as 1.5 for 1.5%. The calculator multiplies your salary by years of service by the accrual rate to get the annual pension.
- Is the Pension Calculator's result financial advice?
- No. It produces estimates only — not financial advice. Real pension plans have vesting schedules, benefit caps and early-retirement reductions that vary by employer, so confirm your exact benefit with your plan administrator.
- Can the Pension Calculator project a COLA increase over time?
- Yes. Enter an annual cost-of-living adjustment percent and the number of years into retirement, and the calculator compounds your annual pension forward to show the adjusted figure.
- Does the Pension Calculator use final salary or average salary?
- Either works — enter whichever figure your plan's formula uses (final salary or a multi-year average), since the calculation is the same once you have that number.
- Does the Pension Calculator upload my salary information?
- No. The Pension Calculator runs entirely in your browser. The salary, years of service and accrual rate you enter never leave your device and are not uploaded to ArrayKit.
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