An E-3 with more than two years of service earns about $3,015 per month in basic pay, or roughly $36,180 for the year.1Defense Finance and Accounting Service. Basic Pay – Enlisted The average tax return for a military E-3 depends heavily on family situation: a single E-3 without dependents typically sees a federal refund somewhere between roughly $500 and $1,500, while a married E-3 with children can realistically receive $4,000 to $7,000 or more once refundable credits are applied. For comparison, the national average individual refund during the 2026 filing season was about $3,521.2Internal Revenue Service. Filing Season Statistics for Week Ending March 27, 2026 The rest of this guide walks through why the numbers land where they do and what moves them.
Why the Federal Tax Bill Is Small to Begin With
Federal income tax only applies to basic pay. For 2026, the standard deduction is $16,100 for single filers, $32,200 for married couples filing jointly, and $24,150 for head of household.3Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026 That deduction erases a big share of an E-3’s income before any tax is calculated.
Run the math for a single E-3. Subtract the $16,100 standard deduction from $36,180 and taxable income is $20,080. The first $12,400 is taxed at 10 percent ($1,240), and the remaining $7,680 at 12 percent ($922), producing a federal tax bill around $2,162. If payroll withholding took out about $250 a month, or $3,000 for the year, the refund comes to roughly $838 before any credits.
Now do it for a married E-3 whose spouse has no income. The $32,200 joint standard deduction cuts taxable income to just $3,980, and the tax on that is about $398. Nearly every dollar withheld during the year comes back.
E-3 pay sits entirely inside the 10 and 12 percent brackets. The lower the taxable income, the larger the share of withholding the IRS returns.
Allowances Make Military Refunds Bigger Than Civilian Ones
Housing and food allowances never appear as taxable wages. Under federal law, qualified military benefits, including the Basic Allowance for Housing and Basic Allowance for Subsistence, are excluded from gross income.4Office of the Law Revision Counsel. 26 US Code 134 – Certain Military Benefits Enlisted BAS in 2026 is $476.95 per month, or about $5,723 per year.5Defense Finance and Accounting Service. Basic Allowance for Subsistence BAH varies by duty station and dependent status but frequently adds another $1,000 to $2,000 per month.
The result: an E-3 might take home total compensation of $55,000 or more while reporting only $36,180 to the IRS. A civilian earning $55,000 owes federal tax on the entire amount. The E-3 owes tax on barely more than half. That is the biggest structural reason military refunds outpace civilian refunds at similar total earnings.
Credits That Turn a Small Tax Bill Into a Big Refund
Low taxable income opens the door to refundable credits, and refundable credits can return more money than you actually owed. Two credits move the needle most.
Child Tax Credit
For 2026, the Child Tax Credit is worth up to $2,200 per qualifying child. If your tax bill is smaller than the credit, up to $1,700 per child is refundable through the Additional Child Tax Credit, provided you earned at least $2,500.6Internal Revenue Service. Child Tax Credit For a married E-3 with two children and a $398 tax bill, the first $398 of credit wipes out the tax and the refundable portion pays out up to $3,400 on top. Combined with a full refund of withheld taxes, the check can reach $5,000 or more before the EITC is even considered.
Earned Income Tax Credit
The EITC targets lower-income workers and grows with each additional child. In 2026, the maximum EITC is $4,427 with one child and up to $8,231 with three or more children. Without children, the maximum is $664. The credit phases out as income rises, so the exact amount depends on filing status and adjusted gross income.
Deployed members get a valuable choice. Federal law lets you elect to include nontaxable combat pay as earned income when calculating EITC eligibility.7Office of the Law Revision Counsel. 26 USC 32 – Earned Income That election can raise or lower your credit depending on where you sit on the phase-in and phase-out curve, so run the numbers both ways.8Internal Revenue Service. Nontaxable Combat Pay Election and the Earned Income Tax Credit MilTax software handles this calculation automatically.
What a Combat Zone Deployment Does to the Refund
Deployment to a designated combat zone eliminates federal income tax on virtually all compensation for enlisted members. The law excludes from gross income any pay received during a month in which you served even a single day in the zone, including bonuses earned during that period.9Office of the Law Revision Counsel. 26 US Code 112 – Certain Combat Zone Compensation of Members of the Armed Forces The exclusion covers every rank below commissioned officer, which means every enlisted grade.
If an E-3 deploys for five months, roughly $15,075 in basic pay shifts from taxable to tax-free. Every dollar of federal income tax withheld during those months comes back. Layer on the way that lower taxable income can push you deeper into EITC territory, and a deployed E-3 with children can see refunds that exceed their total original tax liability by thousands. Nontaxable combat pay shows up in Box 12 of your W-2 under Code Q, which makes the amount easy to verify.
Smaller Levers: TSP and PCS Moving Expenses
Traditional Thrift Savings Plan contributions come off the top of taxable income. An E-3 contributing $200 per month to a traditional TSP account subtracts $2,400 per year from taxable base pay before the IRS calculates what is owed. The 2026 elective deferral limit is $24,500, well above anything an E-3 is likely to reach.10Thrift Savings Plan. 2026 TSP Contribution Limits Roth TSP contributions do not reduce current taxable income, but they grow tax-free, which is especially useful during a combat zone deployment because the money going in was already tax-free.
Active-duty members who move under permanent change of station orders can also deduct unreimbursed moving expenses, a benefit civilians lost in 2018.11Office of the Law Revision Counsel. 26 USC 217 – Moving Expenses Qualifying costs include transporting household goods, storage, and travel from the old home to the new one, excluding meals.12Internal Revenue Service. Form 3903 – Moving Expenses Only unreimbursed amounts count. The 2026 standard mileage rate for moving is 20.5 cents per mile, so an E-3 driving 1,500 miles to a new duty station can deduct about $308 on top of other unreimbursed costs. Claim it on Form 3903; the deduction reduces adjusted gross income directly.
State Residency Can Add to the Refund
The Servicemembers Civil Relief Act blocks the state where you are stationed from taxing your military income. Only your state of legal residence can. Since 2023, service members and their spouses have had three options for choosing a tax residence: the service member’s home state, the spouse’s home state, or the state of the current permanent duty station.13Military OneSource. Military Spouses Residency Relief Act
Nine states have no individual income tax, including Texas, Florida, and Nevada, and several others specifically exempt active-duty military pay. An E-3 claiming legal residence in one of those states gets back every dollar of state tax mistakenly withheld during the year. If your current state taxes military pay and your spouse has ties to a no-tax state, the three-option rule lets you switch. A spouse’s wages from a local civilian job may still be taxable where they were earned.
Free Ways to File
E-3 pay qualifies you for several free filing options, so paying a preparer or commercial software is unnecessary.
MilTax, run through Military OneSource, is the strongest choice for active-duty members. The software is built for military situations like PCS deductions, combat pay exclusions, and multistate filing. You can file one federal return and up to five state returns at no cost, and the service includes consultations with tax professionals who understand military-specific issues.14Military OneSource. MilTax – Free Software and Support
The Volunteer Income Tax Assistance program is the in-person option. VITA sites operate on most military installations during tax season, staffed by trained volunteers who prepare returns face to face. Find the nearest location through the IRS locator tool or through your installation’s legal assistance office. For an E-3 handling a first PCS, a new dependent, or a combat zone deployment in the same tax year, walking through the return with someone who has seen it before is worth the trip.