Buy Back Military Service for Civil Service Retirement Credits with a Military Service Credit Deposit

Military veterans who join the Civil Service and are eligible for the Federal Employees Retirement System (FERS) are eligible to buy back their military time a Military Service Credit Deposit. This gives them credit toward a FERS retirement, faster leave accrual, and other benefits.
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Military Service Credit Deposit
Table of Contents
  1. Meet Our Expert, Eddie Wills of
  2. What You Will Learn in Today’s Podcast:
  3. How the Federal Employee Retirement Systems (FERS) Works
  4. Buying Back Military Time with a Military Service Credit Deposit
  5. Federal Service Computation Dates
    1. Service Computation Date – Civilian
    2. Service Computation Date – Leave
    3. Service Computation Date – Reduction in Force
  6. You Must Buy Back Your Military Time to Change Your SCD RIF Date
    1. How Much it Costs to Buy Military Service Credits
    2. What if you don’t have good records?
    3. Request a copy of your military records.
    4. Actually Buying Back Your Time.
  7. Who Can Buy Back Their Military Time?
  8. Benefits of Buying Back Your Military Time
  9. Who Should Buy Back Their Military Time?

According to federal data, over 30% of federal and civil service employees are military veterans. Continuing one’s career as a civilian government employee is a great way to continue serving our country.

There are also some excellent benefits for veterans who wish to work for the federal government. Among them are Veteran’s Preference Points, which can help you land a job with the government. And, if you are willing to buy back your military time through a Military Service Credit Deposit, you can enjoy other benefits, such as increased leave accrual per pay period, faster vesting of your Thrift Savings Plan agency contributions, and you may even be able to retire earlier than you otherwise might have without credit for your military service.

In today’s podcast, we will discuss buying back your military time, how to do it, and the benefits of doing so.

Meet Our Expert, Eddie Wills of

In this podcast, I interview Eddie Wills, a military veteran who writes about Personal Finance and Benefits for Federal Employees and Veterans at this site,, where he helps federal employees and military veterans navigate the tricky paths of federal benefits, including buying back military time, computing your service dates, applying for retirement, understanding your Thrift Savings Plan benefits, the Federal health insurance system, and much more.

Today he is joining us to discuss Military Service Credits, or “Buying Back” Military service time in order to increase your federal pension. This is an important topic for all veterans currently serving in the Federal Service, or those who are considering going into the Federal sector after they leave the military.

What You Will Learn in Today’s Podcast:

  • How the Federal Employees Retirement System (FERS) works
  • How Eddie Retired with 9 Years of Federal Service and will earn a pension at age 60.
  • How Eddie will Receive two Federally insured pensions Starting at Age 60 – one from the Navy Reserves, and one from the FERS retirement system.
  • The value of an inflation adjusted pension (hint: it’s worth hundreds of thousands of dollars, if not more!).
  • How buying back your military time can:
    • Increase the amount of vacation time you accrue each pay period
    • Help you if there is a Reduction in Force (RIF) by allowing you to choose early retirement, or possibly be passed over for a RIF because of your seniority
    • Get your Thrift Savings Plan agency contributions vested more quickly
  • Why everyone who is eligible to buy back their military time should do so (other than current military retirees)
  • And more!

How the Federal Employee Retirement Systems (FERS) Works

We’ll give you a brief overview of the FERS retirement system so you have an understanding of it before we jump into the rest of the article. The FERS retirement plan is like a three legged stool—it has three distinct elements:

  • The Federal Pension Plan (eligibility). The pension is determined by multiplying your years of Federal Service by the average of your top three years of pay (example, 20 years of service with an average of $100,000 for your top 3 years of earnings equals an annual pension of $20,000). Some retirees are eligible for early retirement and can earn their pension before age 60. This is usually offered to eligible employees during a Reduction in Force (RIF).
  • Thrift Savings Plan. Federal Employees receive an agency matching contribution to their TSP, up to a maximum of 5% of their pay.
  • Social Security Benefits. (Note: certain military members are eligible for increased Social Security Benefits, depending on the dates which they served).

This system is designed to give retirees 3 sources of income, which they can use to fund their retirement. And, as Eddie tells us in the interview, federal service employees are also eligible to earn a separate retirement from the Guard or Reserves without it affecting their FERS retirement benefits (this is not the case for active duty retirees).

Buying Back Military Time with a Military Service Credit Deposit

The FERS retirement system will reward those who have worked in the federal service, including military veterans. But in order for your military time to count toward a FERS retirement, you need to give the civil service the information they need to account for your time served. And if you want your military time to count toward a FERS pension, then you need to make a Military Service Credit Deposit to buy into the pension (this is required since you wouldn’t have paid into the pension plan during those years served).

We’ll cover details for making a Military Service Credit Deposit a little later in this article. For now, let’s look at Federal Service Computation Dates, which are important for calculating seniority, leave accumulation, and other factors.

Federal Service Computation Dates

The GubMints Gouge for Maximizing your Service Computation Date
Eddie’s Book on Maximizing Your Service Computation Date

Federal Service Computation Dates are used to determine several aspects of your federal service benefits. There are three primary Service Computation Dates (SCD) we will look at, including:

  • SCD Civilian – the date you enter civilian federal service
  • SCD Leave – the date used for computing your leave accrual rate
  • SCR Reduction in Force (RIF) – used for seniority

These dates are all very important, so let’s jump in and see how they affect your service.

Service Computation Date – Civilian

Your SCD Civilian date you start your civil service job. This is almost always on a Monday at the start of a pay period.

This starts the date for your FERS life insurance benefit (not FEGLI; the FERS life insurance is a free benefit). This is important because there is a change for life insurance benefits at the 10 year mark.

The Thrift Savings Plan Computation Date is important because at the 3 year mark you are completely vested in the agency contributions made by the government into your Thrift Savings Plan Account.

Service Computation Date – Leave

The SCD Leave date is used to determine how quickly you accrue leave. This is the date listed in the upper right corner of your civilian Leave and Earnings Statement, or LES. If you don’t have any military experience, this would be the same as your SCD Civilian Date.

How to get credit: If you are a non-retired military veteran*, you only need to turn in DD214 to your HR office to gain additional seniority as a federal employee. This is a one to one benefit. This is valuable, because you accrue leave more quickly once you have over 3 years of federal service.

For example, until you reach 3-years of civilian service, you accrue 4 hours of annual leave per two week pay period, but you accrue annual leave at 6 hours per pay period between 3 and 15 years of civilian service. Over 15 years of civilian service, you accrue one day off work (8 hours) of annual leave, per pay period.

This is an extremely valuable benefit, not just for the time off that you will accrue, but because you can later sell your leave days when you leave federal service. This time off is on top of your sick leave and your days off work for federal holidays.

Federal employees can carry up to 240 hours of leave across a calendar year, so this gives those leaving federal service the opportunity to sell up to 30 days of leave when they leave the service, which is the equivalent of an extra month’s pay. Here is more information about annual leave for civil service employees.

*Military retirees can also apply to have some of their service count toward their SCD Leave date, but only the days which they served in a named campaign or in certain deployments. Eddie lists more details on his site: Military Service Credit Deposit – Retired From Active Duty.

Service Computation Date – Reduction in Force

Your SCD RIF date determines your seniority if there is a Reduction in Force. To get this, you have to buy back your time with a Military Service Credit Deposit (more on this below).

The time you buy back can allow some members to retire at age 50 if they have 20 years of federal service and the government offers them a Voluntary Early Retirement.

This is a full retirement and retirees can receive the Federal Employee Health Benefit at the regular employee charge. Being able to take an early retirement and receive the retiree health care benefits is a huge advantage for many federal employees. Eddie is clear to note that early retirees under a RIF do not have to pay the COBRA health care costs, but will pay the same amount as federal employees, making early retirement a nice option for many service members.

If you buy back your time, your SCD RIF date will match your SCD Leave date.

You Must Buy Back Your Military Time to Change Your SCD RIF Date

This is where you have to decide to buy back your military service time to count toward your federal service. If you decide to buy back your military service time, you will have to write the government a check for 3%* of the base military pay you earned while you were in the military, or have the amount withheld from your future paychecks. (*except for the period of 1999-2000, which has a slightly higher buy back rate).

How Much it Costs to Buy Military Service Credits

Dates of ServiceAmount of Deposit Due
Through 12/31/983% of military basic pay
1/1/99 through 12/31/993.25% ofmilitary basic pay
1/1/00 through 12/31/003.4% of military basic pay
1/1/01 to the present3% of military basic pay
How much it costs to buy back your military service. (Source).

Receiving credit for this time requires math, filling out some forms, and some homework on your part. But it is worth every bit of time and effort you put into it.

You will need to give your civil service HR department copies of your DD214 and any related pay stubs you might have. The buy back is based on your previous military earnings, so having copies of your LES’s will make it easier for the HR department to determine when you received pay raises from promotions and time in service raises.

What if you don’t have good records?

The HR department can figure out your effective pay based on your DD 214 and historic pay tables. However, Eddie mentioned it is much easier to do the computations yourself to not only make their job easier, but so you can ensure accuracy. No one has a greater interest than you in making sure the calculations are done correctly. So do your homework on your end to ensure accuracy to make sure you don’t have to 1) pay more to buy back your military time, and 2) you get credit for all your military time.

Request a copy of your military records.

You can also request a copy of your military service records from either your branch of service’s records bureau, or from the National Archives if they have already been sent there.

Actually Buying Back Your Time.

Once the calculations are complete, you can buy back your time by writing the government a check, or through payroll deductions over the next couple of years. You must buy your military service credits within two years of beginning your federal service or the balance will accrue interest. The interest rates vary based on the year(s) of your military service and are determined by the Department of the Treasury every year. You can find the interest rates on the OPM website.

Note: Visit the GubMints Comprehensive Military Service Credit Deposit Guide to learn how to compute your Military Service Credit Deposit and determine if you should buy your time back. Or you can buy Eddie’s book on Amazon, for less than a cup of coffee.

Who Can Buy Back Their Military Time?

All non-retired military veterans can buy back their military service time through a Military Service Credit Deposit. You should consider buying back your military time even if you don’t think you will work for the federal government for a long time.

You only need 5 years of federal service to qualify for a deferred annuity, which is a pension you can begin drawing at age 62. Even a small pension will be valuable in your retirement years.

Graduates from the Service Academies can also buy back their academy time, which is an amazing benefit because Service Academy Cadets only earned a small stipend during their Academy days. This makes the cost to buy that time inconsequential compared to the return they would receive in federal service time and annuity value.


Members of the Guard and Reserves are able to buy back their active duty time and work toward dual pensions. This is what Eddie is doing. He applied his active duty time toward his FERS retirement, and he will receive his FERS pension when he reaches age 60. He is also working toward his retirement from the Navy Reserves, which he would also receive at age 60 (unless he is eligible for early Reserve retirement pay).

Federal law prohibits retired active duty military members from buying back their military time and adding it to their FERS pension (this is because they are already receiving compensation for their military retirement). As noted earlier, military retirees should still look into getting credit for their Service Computation Date for Leave.

Benefits of Buying Back Your Military Time

When you buy back your military service dates, you receive a day for day accrual of your time as an active duty service member. Every single day counts towards your federal service FERS annuity pension plan. So the longer you served, the more valuable buying back your time will be.

As mentioned earlier, the FERS pension is based on your years of service and the average of your highest three years of pay. Eddie gives an example of someone earning an average of $100,000 a year for their final three years of service with 20 years of creditable service. This would equate to a $20,000 a year pension (25 years of service at $100,000 average of high pay would be $25,000 in pension benefits). Like military retirement pay, the FERS pension plan is adjusted annually for COLA, so it increases in most years. (Full Computation Explanation).

Note: There is a time limit to make your Military Service Credit Deposit:

You have a two-year short window to buy back your military time, or you would otherwise have to pay interest on the balance. Here are the interest rates.

Who Should Buy Back Their Military Time?

The GubMints Gouge for Maximizing your Service Computation Date
Eddie’s Book on Maximizing Your Service Computation Date

Almost everyone who is eligible. There are only a few edge cases where it doesn’t make sense to buy back your time, but those instances are rare. In all cases, you should run the numbers to be sure. Eddie will show you how on his guide.

Better yet, buy his book on Amazon, The GubMints Gouge for Maximizing your Service Computation Date. The book is much more detailed than the article on his site, and only costs $0.99. It can help you earn hundreds or thousands of dollars in return.

Additional Resources:

The FERS retirement system can be complicated. So please keep in mind this podcast and article can only provide a top-level overview of the Military Service Credit Deposit and related FERS rules and benefits. I recommend reading the following articles for more information, and speaking with your HR representative if you are already currently employed with the federal government.

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About Ryan Guina

Ryan Guina is the founder and editor of The Military Wallet. He is a writer, small business owner, and entrepreneur. He served over 6 years on active duty in the USAF and is a current member of the IL Air National Guard.

Ryan started The Military Wallet in 2007 after separating from active duty military service and has been writing about financial, small business, and military benefits topics since then. He also writes about personal finance and investing at Cash Money Life.

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  1. Ken Leonard says

    I am a reservist who retired 5 yrs ago but won’t start collecting until 60, in about 18 months.
    Also civil service FERS. Does the 4 yr active duty buy back move my date to the left for the 20 yr minimum? I know I still need to be 60.

    Meaning, if I now have 18 yrs civil service and I buy back the 4 yrs, am I already past the 20 yr civil service requirement? BTW, I asked HR about the buy back 10 yrs ago and was told I could not use the same four years of active duty toward two retirements. Really glad to find your article!

    • Ryan Guina says

      Hello Ken,

      My understanding is that yes, buying back those 4 years of service credits will add them to your current total, so your 18 years of service would be the equivalent of 22 years of service. That said, verify everything with your HR department before filing your retirement papers, just to make sure they have everything in order and you don’t get any surprises.

      Best wishes!

  2. Anthony Ezerski says

    I’m a reservist and federal employee with 15 years of services (10 active duty, and 5 reserve). I have bought back my ten years to count towards my FERS. I had a friend tell me that I can’t double dip and use those 10 years on my military retirement as well. Is this true? Thanks!

    • Ryan Guina says

      Hello Anthony,

      This is explained in-depth in the article above. I recommend you read it thoroughly, listen to the podcast, and confirm the details with your Human Resources office. US law allows members of the Guard and Reserves to use their active duty military time for both military Reserve retirement and a civil service retirement.

      The only time you can’t use your military service for both is for active duty military retirement.

      Best wishes.

    • Ryan Guina says

      Hello Robert,

      This article has the basics about Military Service Credits. For specific information, I recommend contacting your Human Resources Office. We do not have access to any personnel records and will not be able to provide any specific advice or information for individuals.

      I wish you the best, and thank you for your service.

  3. Chris C. says

    This is a very informative article. I was medically retired in 1991 after 6 years of service with a greater than 30% disability. I was also honorably discharged. Am I eligible to participate in the buy back program with those 6 years of service?

    Thanks in advance!

    • Ryan Guina says

      Hello Chris,

      This is a great question. Federal law prohibits those with an active duty retirement from being able to buy back Military Service Credits for their active duty time and “double-dipping” with their FERS time. However, I’m not sure how it applies to those who earned a disability retirement under Chapter 61. This would be a great question for your Human Resources office.

      Best wishes!

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