Pension Payout Calculator (Lump Sum vs Annuity)
Compare receiving a defined benefit monthly lifetime pension check versus taking a single lump-sum rollover payout.
What this calculator does
The Pension Payout Calculator (Lump Sum vs Annuity) estimates your result instantly from the values you enter, using standard retirement formulas. Compare receiving a defined benefit monthly lifetime pension check versus taking a single lump-sum rollover payout. Calculations run in your browser, so nothing you type is sent to a server, and the output is an estimate for planning rather than financial advice.
About Pension Payout Calculator (Lump Sum vs Annuity)
The Pension Payout Calculator compares taking a defined-benefit monthly lifetime pension annuity vs. accepting a lump-sum cash buyout to roll into an IRA.
Formula & Mathematical Calculation
Present Value of Lifetime Pension = Monthly Pension × [ ( 1 - ( 1 + r )^-n ) / r ]
Lump Sum Advantage = Lump Sum Offer - Present Value of Pension Stream
Calculation Example
$2,500/Month Pension for 25 Years vs. $380,000 Lump Sum Offer @ 6% Discount Rate: PV of Monthly Pension = $388,053. Taking the monthly check provides +$8,053 more value plus guaranteed market immunity.
Key Benefits
- Compares defined-benefit pension checks vs. lump-sum IRA rollover offers
- Calculates break-even life expectancy milestone
- Accounts for survivor benefit options (50%, 75%, 100% Joint & Survivor)
- Evaluates investment return required on lump sum to match pension checks
- Essential for retiring union, government, and corporate employees
How to Use this Calculator
-
Enter Monthly Pension Amount
Input offered monthly lifetime check. -
Enter Lump Sum Cash Offer
Input alternative one-time rollover offer. -
Enter Expected Life Expectancy & Return
Input expected years in retirement and portfolio return rate. -
Compare Options
Click Calculate to view detailed financial comparison.
Assumptions & Limitations
What the calculation assumes
- Every value you enter is treated as an exact, known amount.
- Rates and contributions are assumed to stay constant for the whole period unless the form asks for them separately.
- Results use standard financial formulas and ignore fees, penalties and promotional terms that are not entered above.
- Inflation, tax changes and market volatility are not modelled unless a field for them is provided.
- Amounts are unit-agnostic: results are returned in the same currency you enter.
What it does not cover
- Pension Payout Calculator (Lump Sum vs Annuity) produces estimates for education and planning, not a quote, offer or professional advice.
- Real-world outcomes differ when fees, taxes, rounding rules or provider-specific terms apply.
- Local regulations and tax rules vary by country and change over time; verify current rules for your jurisdiction.
- Figures are only as accurate as the inputs you supply — check them before acting on the result.
- For decisions with lasting financial impact, confirm the numbers with a qualified professional.
Frequently Asked Questions
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Next step: browse the full Retirement calculators or read the related guides for context before you decide.