Military Service Buyback Calculator
Calculate the cost to buy back military service time for federal retirement credit. See how adding military years increases your FERS or CSRS annuity and determine your break-even point.
Military Service Details
Federal Retirement Details
Deposit Rate
Buyback ROI Score
Outstanding investment. The military buyback delivers exceptional long-term returns relative to the deposit cost.
ROI
3,311%
Break-Even
1 yr
Total Deposit
$4,560
$3,600 base + $960 interest
Annual Annuity Increase
$4,620
$385/month added to pension
Break-Even
1 Year
Deposit recovered by age 63
Lifetime Gain
$155,560
Over 26 years with COLA
Service Credit Summary
Buying back 4 years of military service increases your total creditable service from 20 to 24 years. This qualifies you for the enhanced 1.1% FERS multiplier at age 62+.
Cumulative Annuity Increase vs. Deposit Cost
See how quickly the additional pension income exceeds your buyback deposit
Deposit Breakdown
| Component | Amount | Details |
|---|---|---|
| Base Deposit | $3,600 | $120,000 x 3% |
| Accrued Interest | $960 | 8 years at 3% |
| Total Due | $4,560 | Full payment required |
Personalized Insights
Actionable recommendations based on your numbers
Excellent Return on Investment
Your military buyback deposit of $4,560 could generate $155,560 in additional lifetime pension income, a 3,311% return.
Very Fast Break-Even
You recoup your deposit in just 1 year of retirement. Every year after that is pure additional income.
Interest Adding to Cost
$960 in interest has accrued on your deposit. The longer you wait, the more expensive the buyback becomes.
Enhanced 1.1% FERS Multiplier
By buying back 4 years of military service, your total creditable service reaches 24 years. Combined with retiring at age 62, you qualify for the enhanced 1.1% multiplier instead of 1.0%.
Monthly Pension Boost
The buyback adds $385/month ($4,620/year) to your FERS annuity. With COLA, this grows to approximately $6,865/year by your 20th year of retirement.
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