Finance calculators

Air Force Retirement Calculator

Updated Aug 18, 2026 By Jehan Wadia
Rate Formulas

Service Entry Date & Retirement System

Date of initial entry into military service (DIEMS), MM/YYYY.
Only offered to members who entered service 08/1986–12/2002.
Opt-in window closed 12/31/2017 for members with under 12 years of service.
Determining retirement system…

Retirement Type & COLA Assumption

Retirement path
Medical path compares the DoD disability formula against the longevity formula.
2.4% ≈ recent historical average.
Length of the COLA growth chart below.

Scenario Inputs (A vs. B — both live, nothing is saved)


Scenario A —
Scenario B —
BRS vs. High-3 Comparison & Break-Even (Scenario A)
Step-by-Step Solution (Scenario A)
COLA Growth Projection
Horizon after retirement Scenario A monthly pay Scenario B monthly pay

Introduction

This Air Force retirement calculator estimates your monthly and yearly retired pay. Enter the date you joined, your rank, and your years of service. The tool picks the right retirement system for you and shows the math behind the answer.

Your join date sets your system. There are four: Final Pay, High-3, REDUX (CSB), and the Blended Retirement System (BRS). Each one uses a different multiplier, so the same career can pay out very different amounts.

You can also:

  • Compare two retirement plans side by side, like leaving at 20 years versus 26 years.
  • See how High-3 stacks up against BRS, including TSP matching, continuation pay, and the break-even age.
  • Check a medical or disability retirement against a normal longevity retirement.
  • Watch your pay grow over 30 years with a cost-of-living adjustment (COLA).

All numbers are estimates for planning only, and nothing you type is saved. For your official retired pay, check with your finance office or DFAS. If you serve in another branch, the military retirement calculator and Army retirement calculator run the same formulas.

How to use our Air Force Retirement Calculator

Enter when you joined, your rank, your years of service, and your pay. The calculator shows your estimated monthly and yearly Air Force retired pay, your retirement system, a BRS vs. High-3 comparison, and how your pay grows with COLA.

Service entry month and year: Pick the month and type the year you first entered military service (your DIEMS date). This sets your retirement system.

Career Status Bonus (CSB/REDUX) box: Check this only if you took the $30,000 bonus at 15 years. It is open only to members who joined between August 1986 and December 2002.

Blended Retirement System (BRS) box: Check this if you opted in to BRS. If you joined in 2018 or later, the box is checked for you.

Retirement path: Choose "Standard longevity" for a normal 20-year-plus retirement. Choose "Medical / disability" to compare the disability formula with the longevity formula.

Assumed annual COLA (%): Type the yearly cost-of-living raise you expect. 2.4% is close to the recent average — the inflation calculator can help you pick a number.

Projection horizon (years): Type how many years of future pay you want to see in the chart and table.

Pay grade / rank at retirement: Pick the grade you expect to hold on your last day, such as E-7 or O-5. Current pay tables are in the Air Force pay calculator.

Years of active duty service: Type your total years, or drag the slider. You need 20 years for a standard retirement.

Retirement month and year: Pick the month and type the year you plan to retire. It must come after your entry date. Use the retirement date calculator if you are still picking a target.

Age at retirement: Type how old you will be when you retire. This drives the COLA chart and break-even age.

High-3 average monthly basic pay: Type the average monthly basic pay from your three highest-paid years. Basic pay only, no BAH or BAS. Click "Auto-fill from pay table" to let the tool guess it for you.

Build your High-3 average (optional): Type your monthly basic pay for each of your top three years, then click the average button to fill the field above.

Your TSP contribution (%): Type the percent of basic pay you put in the TSP each month.

Government match (%): Type the match you get. Under BRS it is 1% automatic plus up to 4% matched.

Assumed TSP return (%/yr): Type the yearly growth you expect from your TSP funds. The compound interest calculator shows how small changes here snowball.

Projected TSP balance ($): Type the balance you expect at retirement. Leave it at 0 and the tool will estimate it from your contributions.

Continuation pay multiplier: Type the multiplier for your one-time BRS continuation pay. The Air Force active-duty minimum is 2.5.

Monthly basic pay at 12 YOS ($): Type your monthly basic pay at 12 years. This is used to figure your continuation pay.

DoD disability rating: Pick the rating from your MEB/PEB findings. It is capped at 75% in the pay formula.

VA disability rating: Pick your VA rating. It is used only for CRDP and CRSC notes. To combine multiple ratings, try the VA combined rating calculator or the VA disability calculator.

Scenario B: Fill in a second set of inputs to compare two plans side by side, like retiring at 20 years versus 26 years.

Calculate and Reset: Click Calculate to see your results, or Reset to start over with the default values.

Air Force Retirement Pay: How It Works

Air Force retirement pay is a monthly check you get for life after you serve long enough. For a regular (longevity) retirement, you need at least 20 years of active duty. The size of your check depends on three things: your basic pay, your years of service, and the retirement system you fall under.

The Basic Formula

Monthly retired pay = retired base pay × a percentage (called the multiplier).

  • Retired base pay is your average monthly basic pay for your 3 highest-paid years (your "High-3"). Only basic pay counts. BAH, BAS, and bonuses do not.
  • Multiplier is 2.5% per year of service in most systems, or 2.0% per year under the newest system. So 20 years at 2.5% = 50% of your High-3.

The Four Retirement Systems

Your system is set by the date you first joined (your DIEMS date). You do not pick it.

  • Final Pay — joined before Sept 8, 1980. Uses your final basic pay, not a 3-year average. 2.5% per year.
  • High-3 — joined Sept 8, 1980 through Dec 31, 2017 (and did not switch to BRS). 2.5% per year of your High-3 average.
  • CSB/REDUX — an option for those who joined Aug 1, 1986 through Dec 31, 2002. You took a $30,000 bonus at 15 years, but your multiplier drops 1% for every year under 30, and your yearly raises are smaller. Remember that lump sum is taxed — the bonus tax calculator shows what lands in your account.
  • Blended Retirement System (BRS) — automatic if you joined on or after Jan 1, 2018. The pension multiplier is 2.0% per year, but you also get government money in your Thrift Savings Plan (TSP) and a mid-career cash payment.

What Makes BRS Different

BRS trades a smaller pension for money you can keep even if you leave early. The government adds 1% of your basic pay to your TSP automatically and matches up to 4% more, so putting in 5% yourself gets you 5% free. That match works much like a civilian 401(k) match. Around 12 years of service you also get continuation pay — a lump sum worth at least 2.5 months of basic pay for active duty Air Force — in return for a few more years of service.

Because High-3 pays more each month but BRS pays cash up front, there is a break-even age. Before that age, BRS is worth more in total. After it, High-3 pulls ahead. Where that point lands depends on your TSP savings, your investment returns, and how long you live.

Yearly Raises (COLA)

Retired pay grows each year with a cost-of-living adjustment (COLA) tied to inflation. Most retirees get the full COLA. REDUX retirees get COLA minus 1%, with a one-time catch-up at age 62, then back to COLA minus 1%. Over 20 or 30 years, that gap adds up to a lot of money — the CPI inflation calculator shows how much buying power shifts over that span.

Medical and Disability Retirement

If you are found unfit for duty, you may get a medical retirement instead. The military compares two math paths and pays the higher one: your DoD disability rating (capped at 75%) times your base pay, or the normal years-of-service formula. A VA rating is separate. If you have 20 or more years and a VA rating of 50% or higher, CRDP usually lets you keep both payments. CRSC can restore pay for combat-related conditions.

Things To Remember

  • Retired pay is taxable income at the federal level. State rules vary, and many states do not tax it — check with the state tax calculator and the tax bracket calculator.
  • Serving longer helps twice: more years raise your multiplier, and higher rank raises your High-3.
  • Retiring mid-year still counts partial years, usually in months, so timing your date can change your check.
  • Survivor Benefit Plan (SBP) premiums, VA offsets, and garnishments come out after these numbers, so your real deposit will be lower. Model your take-home with the take-home pay calculator.
  • A pension rarely covers everything. Pair this estimate with your Social Security projection, a Roth IRA plan, and an overall retirement calculator run to see the full picture.
  • Planning a second career? Compare civilian benefits with the FERS retirement calculator, and see how long savings last with the how long will my money last calculator.

Formulas used

Monthly retired pay (longevity multiplier)
\text{Monthly Pay} = \text{Retired Base Pay} \times \frac{M}{100}, \quad M = \min\left(r \times \text{YOS},\ 100\right),\ r = \begin{cases} 2.5\% & \text{High-3 / Final Pay} \\ 2.0\% & \text{BRS} \end{cases}
REDUX (CSB) multiplier
M_{\text{REDUX}} = \min\left(2.5\% \times \text{YOS} - \left(30 - \text{YOS}\right) \times 1\%,\ 75\%\right)
High-3 average monthly basic pay
\text{High-3} = \frac{P(\text{YOS}) + P(\text{YOS}-1) + P(\text{YOS}-2)}{3}
Medical / disability retirement (greater of the two formulas)
\text{Monthly Pay} = \text{Base} \times \max\left(\frac{\min(\text{DoD Rating},\,75\%)}{100},\ \frac{M_{\text{longevity}}}{100}\right)
Projected TSP balance at retirement (future value of annual contributions)
FV = C \times \frac{(1+i)^{n} - 1}{i}, \quad C = 12 \cdot P(\text{YOS}) \times \frac{c_{\%} + m_{\%}}{100},\ n = \text{YOS}
Continuation pay and combined first-year BRS value
CP = k \times \text{Basic Pay}_{12\,\text{YOS}}, \qquad \text{Combined} = 12 \times \text{Monthly Pay} + \text{TSP} + CP
COLA-adjusted retired pay projection
\text{Pay}_t = \text{Pay}_0 \times \left(1 + \frac{\text{COLA}}{100}\right)^{t}, \qquad \text{REDUX: } \text{Pay}_t = \text{Pay}_{t-1}\left(1 + \frac{\text{COLA} - 1}{100}\right)\ \text{(age} < 62\text{)}
BRS vs. High-3 break-even point
t_{BE} = \frac{\text{TSP} + CP}{12\left(\text{Pay}^{\text{High-3}}_{\text{mo}} - \text{Pay}^{\text{BRS}}_{\text{mo}}\right)}, \qquad \text{Age}_{BE} = \text{Age}_{\text{ret}} + t_{BE}

Frequently asked questions

Why is my retirement system locked and greyed out?

Your system comes from your service entry date (DIEMS), not from a choice. The calculator reads that date and picks the right one. If you joined in 2018 or later, the BRS box stays checked and locked because BRS is automatic. If your date falls outside the CSB/REDUX window, that box is disabled too.

What is DIEMS and where do I find it?

DIEMS stands for Date of Initial Entry to Military Service. It is the first day you signed into any military status, including a delayed entry contract, ROTC scholarship, or academy start. Look on your DD Form 214, your Statement of Service, or ask your finance office. It is not always the same as your active duty start date.

Does my High-3 include BAH, BAS, or bonuses?

No. Only basic pay counts. BAH, BAS, flight pay, hazard pay, special duty pay, and bonuses are all left out of retired pay math. Enter basic pay only, or the tool will overstate your check.

What does the Auto-fill from pay table button do?

It looks up the pay grade and years of service you picked, then estimates your High-3 by averaging the last three pay steps you would hit. It also fills your 12-year basic pay for continuation pay. It is an estimate, so use your real LES numbers when you have them.

Why does my answer show a warning under 20 years?

A standard longevity retirement needs at least 20 years of active duty. If you type less, the tool still does the math so you can see the shape of it, but the warning reminds you that no monthly check is paid at that point. Medical retirement is the main exception to the 20-year rule.

How does the calculator handle partial years of service?

You can type half years, like 22.5. The multiplier grows with each fraction of a year, so 22.5 years at 2.5% gives 56.25%. Real DFAS math counts full months, so your official number may shift a little.

Why is the break-even age different every time I change a number?

Break-even depends on the gap between the two monthly pensions and how much cash BRS gives you up front. Raise your TSP balance, your return rate, or your continuation pay and BRS stays ahead longer, pushing break-even later. Lower them and High-3 catches up sooner.

Does the break-even chart grow my TSP after I retire?

No. The chart holds your TSP balance flat after retirement so the comparison stays simple and clear. In real life your balance would keep growing or shrinking as you invest and withdraw, which usually pushes break-even further out.

What if I already know my TSP balance at retirement?

Type it in the Projected TSP balance field. Any number above 0 overrides the estimate built from your contribution percent and return rate. Leave it at 0 if you want the tool to project it for you.

Is the $30,000 Career Status Bonus shown before or after taxes?

Before taxes. The CSB is taxable income in the year you take it, so your deposit is smaller than $30,000. The calculator lists the gross figure only.

Why does REDUX pay jump up at age 62 in the chart?

REDUX raises run at COLA minus 1%, which falls behind over time. At age 62 there is a one-time catch-up that resets your pay to what full COLA would have paid. After that, raises go back to COLA minus 1%, so the gap starts opening again.

Can this calculator handle Reserve or Guard retirement?

No. This tool models active duty retirement. Reserve and Guard members earn retirement points and usually start pay at age 60, which uses different math. Use it only as a rough guide if you have a mix of active and reserve time.

Does the calculator show my take-home retired pay?

No. All figures are gross, before taxes and deductions. Federal income tax, some state taxes, Survivor Benefit Plan premiums, and any VA offset come out after. Expect your real deposit to be noticeably smaller.

Why do both scenarios use the same retirement system?

Your system is set by one entry date, and you only have one. Scenario A and B both use it. Change the entry date or checkboxes at the top to see a different system, and both scenarios follow.

What should I put for the COLA rate?

2.4% is close to the recent average and is a fair default. If you want a cautious view, try 2%. To stress-test your plan, try 3% or higher and watch how much the 30-year number moves.

Why is the disability multiplier capped at 75%?

Federal law caps disability retired pay at 75% of your base pay. So a 90% or 100% DoD rating is still figured at 75% here. If your years of service produce a higher percent, the tool uses that instead because you get the larger of the two.

Does my VA rating change my retired pay in this tool?

No. The VA rating only drives the CRDP and CRSC notes. VA compensation is a separate payment with its own rules and offsets, so it is not added to or subtracted from the monthly figures here.

Are the pay tables in this calculator current?

They are built on recent military basic pay tables with a raise factor applied. Pay tables change every January, so treat auto-filled numbers as close estimates. For exact pay, enter figures straight from your LES.

Is anything I type saved or sent anywhere?

No. Everything runs in your browser and nothing is stored or transmitted. Refresh the page and all your entries reset.

Why did my BRS pension come out lower than High-3?

BRS uses a 2.0% multiplier per year instead of 2.5%, so the pension is about 20% smaller. That is by design. BRS makes up part of the difference with TSP matching and continuation pay, which you keep even if you leave before 20 years.