Army Retirement Calculator: How Army Pay Is Calculated

Army Retirement Calculator

Army retirement pay is calculated by multiplying a percentage tied to your years of service by an average of your base pay. That calculation uses one of three formulas: Final Pay, High-36, or the Blended Retirement System (BRS).

Every guide we publish on Army retirement starts from those same three formulas. Each one applies differently across Regular Army, Army Reserve, and Army National Guard service, so match your component before you run your own numbers through the calculator.

Army Retirement ResourcesMilitary Retirement Calculator →Reserve & Guard Points Guide →Chapter 61 Disability Retirement →

Which Retirement System Applies to You

Your retirement system is locked by your Date of Initial Entry into Military Service (DIEMS), not by your rank or military occupational specialty (MOS). Soldiers who first entered service before September 8, 1980 use Final Pay. Soldiers who entered between September 8, 1980 and December 31, 2017 use High-36, based on the average of their highest 36 months of basic pay.

Anyone who entered on or after January 1, 2018, along with soldiers who opted in during 2018, retires under BRS.

The Formulas Behind Each Army Retirement System

Final Pay. 2.5% times your years of service, applied to your final month of basic pay. Twenty years produces 50%. Each additional year adds 2.5%, up to a 75% cap at 30 years.
High-36. The same 2.5% multiplier, applied to the average of your highest 36 months of basic pay instead of your final paycheck.
BRS. A reduced 2.0% multiplier, so 20 years produces 40% of your High-36 average instead of 50%. BRS adds a Thrift Savings Plan (TSP) government match of up to 5% of basic pay. Most soldiers who stay in also earn a mid-career continuation pay bonus around the 12-year mark.

None of these formulas count Basic Allowance for Housing (BAH), Basic Allowance for Subsistence (BAS), or special and incentive pays. Only base pay counts. That gap is a common source of confusion when soldiers compare a retired pay estimate to their current take-home pay.

Regular Army vs Army Reserve vs Army National Guard Retirement

Regular Army soldiers who complete 20 years of active duty start drawing retired pay immediately. Army Reserve and Army National Guard soldiers earn retirement under a points-based system instead, and their retired pay generally does not start until age 60.

A qualifying year for Reserve or Guard retirement takes 50 points. Those points come from three sources:

One point per day of active duty.
15 points a year for satisfactory participation.
Points earned through drill periods and correspondence work.

The threshold for Reserve and Guard retirement eligibility is 20 qualifying years. Calendar years do not count.

Certain active-duty service performed after January 28, 2008 lowers the age at which Reserve and Guard retired pay begins. Each cumulative 90 days served on qualifying active orders reduces that age by 90 days. A soldier who deployed for a full year can start drawing retired pay roughly a year earlier than age 60.

Our Reserve and Guard retirement points guide breaks down the point categories and shows how to read your annual statement.

Army National Guard and Air National Guard: A Common Mix-Up

Searches for an "Air National Guard military retirement calculator" often land on Army-focused pages by mistake. The Army National Guard and Air National Guard both run on the same points system, just under different services.

The Final Pay, High-36, and BRS formulas above, along with the point rules, apply the same way regardless of which National Guard component you serve in. What differs is the branch-specific pay chart used to compute your base pay, not the retirement math itself.

Worked Example: Army E-7 and O-5 Retirement Pay

These examples use round, illustrative base pay figures so you can see how the formulas move. They are not published current-year Army pay chart figures. Run your own grade and years of service through the military retirement calculator for an exact estimate.

Army E-7, 20 years of service, High-3 average $60,000:

High-36: 50% x $60,000 = $30,000 per year, or $2,500 per month
BRS: 40% x $60,000 = $24,000 per year, or $2,000 per month, plus TSP growth from the 5% match

Army O-5, 22 years of service, High-3 average $115,000:

High-36: 55% x $115,000 = $63,250 per year
BRS: 44% x $115,000 = $50,600 per year, plus TSP

The gap between High-36 and BRS narrows once you count the TSP match and continuation pay. That only holds if you actually invest the match, rather than treating it as a bonus to spend. The calculator shows both figures side by side for your own grade and years of service.

Army Retirement With a VA Disability Rating

A separate VA disability rating does not change which retirement formula applies to a standard Army retirement. It changes how much of your retired pay you actually keep, because DoD retired pay and VA disability compensation cannot both be paid in full without an offset.

Combat-Related Special Compensation (CRSC) and Concurrent Retirement and Disability Pay (CRDP) both restore some or all of that offset, depending on your VA rating and whether the condition is combat-related. Our CRSC and CRDP guide covers the eligibility rules and includes a calculator that runs the offset math for you.

Army Disability Retirement: Chapter 61

A soldier medically separated before reaching a standard retirement is evaluated under a different process, called Chapter 61 disability retirement. Chapter 61 pay is the higher of two calculations: your disability rating percentage, or the standard 2.5%-per-year formula based on years of service. Both apply to your base pay and cap at 75%.

Soldiers facing a Medical Evaluation Board should read our full disability retirement vs. Chapter 61 guide before assuming the standard Army retirement rules above apply to their case.

Using the Army Retirement Calculator

The military retirement calculator runs Final Pay, High-36, and BRS against your grade, years of service, and DIEMS date in one pass. Enter your numbers once to see your estimated monthly and annual retired pay side by side under each system that could apply to you. If you serve in a troop program unit or drilling status, it also gives a rough Reserve and Guard points-to-years conversion.

Frequently Asked Questions

Is there an official Army retirement calculator app?

The Army does not publish a single official retirement calculator app. Soldiers typically estimate retired pay through myPay or a personnel finance office. Our military retirement calculator runs the same Final Pay, High-36, and BRS formulas online, with no app download needed.

How is Army National Guard retirement calculated differently from active duty?

The formulas are the same. The difference is how you earn creditable service. Active-duty Regular Army soldiers count actual years served, while Army National Guard soldiers earn retirement points from drills, active periods, and annual training. Fifty points converts into one qualifying year.

What does the Army Reserve retirement calculator use for High-3?

An Army Reserve retirement calculator uses the average of your highest 36 months of basic pay, the same High-3 average used in active-duty High-36 retirement. Reserve soldiers apply that average against their total qualifying years once they reach the pay-eligible age.

Does BRS or High-3 pay more for a 20-year Army retirement?

High-36 pays a higher monthly pension at 20 years, 50% of your High-3 average versus 40% under BRS. BRS can still come out ahead over a full career once you count the TSP government match and continuation pay, especially if you invest the match rather than spending it.

How do I calculate my Army retirement date?

For a standard 20-year Regular Army retirement, count 20 years from your active-duty entry date, adjusted for any breaks in service. Reserve and Guard soldiers instead count 20 qualifying years of 50 points each, and their pay start date is age 60 minus any reduction earned from post-2008 active service.

Can I use an Army retirement calculator if I have a VA disability rating?

Yes, but run two separate calculations. Use the military retirement calculator for your DoD retired pay under Final Pay, High-36, or BRS. Then use the CRSC and CRDP calculator to see how much of any VA disability offset you get back.

How many points do I need for Army Reserve or National Guard retirement?

You need 50 points in a given year for it to count as a qualifying year, and 20 qualifying years total to become retirement-eligible. Points come from one point per active-duty day, 15 membership points a year, and points earned through drills and correspondence courses.

What is the difference between Army retirement pay and Army disability retirement pay?

Standard Army retirement pay uses years of service and the Final Pay, High-36, or BRS formula. Army disability retirement, under Chapter 61, instead pays the higher of your disability rating percentage or the standard years-of-service formula, and it can apply well before 20 years of service.

Is Army retirement pay taxable?

Yes. Standard years-of-service retirement pay under Final Pay, High-36, or BRS is taxable federal income, reported to you each January on a 1099-R. VA disability compensation, by contrast, is never taxed. Most states also tax military retirement pay, though a growing number fully exempt it from state income tax. See our military retirement taxes guide for your state's rules.

How does divorce affect Army retirement pay?

Military retired pay can be divided in a divorce under the Uniformed Services Former Spouses' Protection Act (USFSPA), but a court has to order it. Division is not automatic. How much a former spouse receives, and how it is paid, depends on your state's divorce laws and how long the marriage overlapped with your service. See our military retirement and divorce guide for how the 10/10 rule and direct-payment eligibility work.

Does a government shutdown stop Army retirement pay?

No. Military retirement pay is funded through the Military Retirement Fund, a permanent, mandatory appropriation that does not depend on the annual budget Congress fights over each year. That funding keeps it flowing on schedule even during a shutdown. Active-duty pay is the one that can be delayed during a lapse. See our government shutdown and military pay guide for the full breakdown.

Army Retirement Calculator: Final Pay, High-36, and BRS Explained