Pension Calculator
Compare lump-sum vs monthly pension options, single-life vs joint-survivor coverage, and whether working longer improves your pension. Find your break-even age for each decision.
TOOL 1
Lump Sum vs Monthly
TOOL 2
Single-Life vs Joint Survivor
TOOL 3
Work Longer Comparison
Lump Sum vs Monthly Pension
Compare one-time payment vs lifetime income
BASIC INFO
OPTION A — LUMP SUM
OPTION B — MONTHLY PENSION
Lump Sum Wins
The invested lump sum grows to $1,527,900 vs total monthly payments of $761,507 over 23 years. The lump sum outperforms, though the other option catches up if you live to age 76.
Advantage: $766,393
Option A — Lump Sum
$400,000
- Initial Lump Sum
- $400,000
- Invested Growth
- $1,527,900
- Return Rate
- 6.0%/yr
Option B — Monthly Pension
$761,507
- Monthly Income (Yr 1)
- $2,200/mo
- Payment Duration
- 23 years
- COLA
- 2.0%/yr
76
Break-Even Age
$1,527,900
Lump Sum Value
$761,507
Monthly Total
📈 Cumulative Value: Option A vs Option B
📅 Year-by-Year Comparison
| Age | Lump Sum Value | Monthly Cumulative | Difference |
|---|---|---|---|
| 63 | $424,000 | $26,400 | $397,600 |
| 64 | $449,440 | $53,328 | $396,112 |
| 65 | $476,406 | $80,795 | $395,612 |
| 66 | $504,991 | $108,810 | $396,180 |
| 67 | $535,290 | $137,387 | $397,904 |
| 68 | $567,408 | $166,534 | $400,873 |
| 69 | $601,452 | $196,265 | $405,187 |
| 70 | $637,539 | $226,590 | $410,949 |
| 71 | $675,792 | $257,522 | $418,269 |
| 72 | $716,339 | $289,073 | $427,266 |
| 73 | $759,319 | $321,254 | $438,065 |
| 74 | $804,879 | $354,079 | $450,799 |
| 75 | $853,171 | $387,561 | $465,611 |
| 76 | $904,362 | $421,712 | $482,650 |
| 77 | $958,623 | $456,546 | $502,077 |
| 78 | $1,016,141 | $492,077 | $524,064 |
| 79 | $1,077,109 | $528,319 | $548,790 |
| 80 | $1,141,736 | $565,285 | $576,451 |
| 81 | $1,210,240 | $602,991 | $607,249 |
| 82 | $1,282,854 | $641,451 | $641,404 |
| 83 | $1,359,825 | $680,680 | $679,146 |
| 84 | $1,441,415 | $720,693 | $720,722 |
| 85 | $1,527,900 | $761,507 | $766,393 |
Pension Decisions: Lump Sum, Monthly, or Work Longer?
A pension offers guaranteed lifetime income — but it comes with real tradeoffs. Our pension calculator covers three key choices: whether a lump sum or monthly payments are better for your lifespan, whether single-life or joint-survivor coverage makes sense for your family, and whether the extra monthly income from working longer justifies the years foregone. For complementary planning, see our retirement calculator, 401(k) calculator, and compound interest calculator.
⚖️ Lump Sum vs Monthly: Key Factors
- Lump sum wins if: you're a healthy investor, expect strong returns, want flexibility
- Monthly wins if: longevity risk concerns you, you want guaranteed income, poor investment skills
- Break-even age: the age at which cumulative monthly payments equal invested lump sum
- Most people break even between ages 78-82
- If family history suggests long life, monthly usually wins
- Lump sum gives heirs an inheritance — monthly typically doesn't
👫 Single-Life vs Joint-Survivor
- Single-life: higher monthly amount, stops when you die
- Joint-survivor: lower monthly amount, continues for spouse after your death
- Typical joint/survivor reduction: 10-20% of single-life amount
- Joint-survivor wins if your spouse significantly outlives you
- Consider your spouse's own pension/Social Security income before choosing
- “Pension maximization” strategy: single-life plus buying term life insurance for spouse protection
📈 Should You Work Longer?
- Each extra year typically increases a pension by roughly 3-8%
- Calculate break-even: years of higher payments needed to recoup foregone income
- Example: 5 extra years boosting a pension by $700/month can break even in 6-8 years
- Factor in health, job satisfaction, and a spouse's own plans
- A higher final salary may also increase Social Security benefits
- Use Tool 3 above to find your exact break-even
📊 What Is COLA in Pensions?
COLA (Cost-of-Living Adjustment) is an annual percentage increase applied to protect your pension's purchasing power against inflation.
- A 2% COLA roughly doubles the payment over 36 years
- With no COLA, purchasing power roughly halves every 25 years at 3% inflation
- Government pensions (CSRS, CalPERS) often include COLA
- Private-sector pensions rarely include COLA at all
- Always confirm which applies before comparing options — it dramatically affects long-term value
— FAQ