Pension vs Lump Sum Calculator
Compare taking a monthly pension vs lump sum payout. Find the break-even age.
By Konstantin Iakovlev · Updated April 2026 · Source: IRS
Break-Even Age
Age 75
Total Pension by 85
$1,038,418.68
Lump Sum Grown by 85
$1,909,874.83
Comparison
| Monthly Pension (start) | $3,000.00 |
| Monthly Pension (age 85, with COLA) | $4,637.94 |
| Lump Sum Monthly Income (4% rule) | $1,666.67 |
| Total Pension (23 years) | $1,038,418.68 |
| Lump Sum Invested (23 years) | $1,909,874.83 |
| Lump Sum After 4% Withdrawals | $746,866.99 |
Recommendation
| Lump sum appears better | Lump sum growth exceeds pension by $871,456.16 |
Use the Pension vs Lump Sum Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
How It Works
Few retirement choices carry as much weight as taking a steady monthly pension versus a single lump sum payout. This tool lays the two side by side and pinpoints the break-even age, the moment when the running total of pension checks finally matches the lump sum you could have pocketed up front, which makes it a useful lens for 2026 retirement planning.
Behind the scenes, the projected stream of monthly pension payments is totaled up and, where it applies, adjusted for an annual rate of return you choose, then weighed against the one-time offer. To find the break-even age, the lump sum is divided by the monthly pension amount, that result is translated into years, and those years are added to the age at which you plan to retire.
Several personal factors belong in this decision: how long you expect to live, how comfortable you are managing investments, and how much you value income you cannot outlive. Two pitfalls trip people up most often, namely ignoring how inflation erodes the buying power of a fixed pension and underestimating the market risk that comes with managing a lump sum yourself.
Example: John's Retirement Choices (2026)
- 1 John is retiring in 2026. His pension plan offers him a choice: a monthly pension of $3,000 or a lump sum of $600,000. He is currently 65 years old. He estimates a conservative 4% annual rate of return if he invests the lump sum.
- 2 The calculator determines that if John takes the lump sum, he would need to live for 200 months (approximately 16.67 years) to receive an equivalent amount in monthly pension payments ($600,000 / $3,000 per month).
- 3 The break-even age for John is 81.67 years old (65 + 16.67). If he lives beyond this age, the monthly pension option would have provided more cumulative income.
- 4 This means if John expects to live past 81.67, the monthly pension could be more advantageous. If he prioritizes immediate control over a large sum or has a shorter life expectancy, the lump sum might be preferred, especially if he can achieve a higher investment return than the implicit rate of return offered by the pension.
Source: IRS · Last updated: April 2026
Frequently Asked Questions
How do I decide between pension and lump sum?
What is the break-even age for pension vs lump sum?
Can I roll a lump sum pension into an IRA?
You might also need
401(k) Calculator 2026 — Retirement Savings & Employer Match
Calculate your 401(k) balance at retirement with employer match and growth projections. Compare Roth vs Traditional. Based on 2026 IRS contribution limits.
Roth IRA Calculator 2026 — Growth, Limits & Tax-Free Income
Calculate Roth IRA growth projections and tax-free withdrawals. Compare to Traditional IRA side by side. Free, instant results with 2026 contribution limits.
Roth Conversion Calculator 2026 — Tax Impact & Break-Even
Calculate the tax impact of converting a Traditional IRA to Roth. See your break-even year and multi-year projections. Free, instant results for 2026 rates.