What is Regular Military Compensation?
Regular Military Compensation is the official Department of Defense measure of basic-level military pay, defined in 37 U.S.C. § 101(25) and published annually in the OSD Selected Military Compensation Tables (the "Greenbook"). RMC equals the sum of four components every full-time service member receives directly or indirectly: monthly Basic Pay, the Basic Allowance for Subsistence (BAS), the Basic Allowance for Housing (BAH), and the federal income tax advantage created by BAS and BAH being non-taxable.
The reason RMC matters more than basic pay alone: a large share of a member's actual economic compensation lives in BAS, BAH, and the tax advantage — for the E-5 example on this page ($2,200 BAH), those three pieces are over 40% of total RMC. Comparing only basic pay against a civilian salary understates what military compensation is actually worth — enlisted BAS alone is $5,723.40 per year at every enlisted grade, before BAH or the tax advantage.
How Federal Income Tax Advantage works
Under 26 U.S.C. § 134, qualified military allowances are excluded from gross income — they do not appear on your W-2 in Box 1 and they are not subject to FICA. Because BAS and BAH escape federal (and usually state) income tax entirely, they are worth more than the same dollar amount of taxable basic pay.
The Federal Income Tax Advantage (FITA) is the additional taxable basic pay a member would need to be paid to net the same after-tax dollars as their non-taxable allowances. A close approximation of the DoD methodology is:
FITA = (BAS + BAH) × marginal_rate / (1 - marginal_rate)
Example for an E-5 with $2,200 BAH at the 12% federal bracket: FITA = $(476.95 + 2,200) × 0.12 / (1 - 0.12) = $365.04/month, or roughly $4,380 per year of compensation that doesn't show up on your basic pay table but is real value you receive.
Why this matters for transition planning
When you separate or retire, every dollar of civilian salary you accept will be fully taxable. To match your current RMC after taxes, your civilian gross salary needs to be the annual RMC figure shown above. For an E-5 with full RMC near $5,000/month ($60,000/year), the taxable-salary equivalent is about $60,000 — and several thousand dollars more once FICA on the non-taxable allowance share and state income tax are counted — before adding the value of healthcare, retirement matching, and other military benefits.
Use this number when: evaluating SkillBridge industry partners' salary offers, negotiating starting pay after separation, comparing two duty stations (BAH varies dramatically by ZIP — a Hawaii vs. Oklahoma move can shift RMC by $20,000+/year), or deciding whether to take a re-enlistment bonus versus separating.
Components and their citations
- Basic Pay — DoD FMR Vol. 7A Ch. 1; rates set by 37 U.S.C. § 203 and the annual NDAA. 2026 raise: 3.8% across all grades (FY2026 NDAA, P.L. 119-60 — the statutory ECI-based raise; no separate junior-enlisted targeted increase in 2026).
- BAS (Basic Allowance for Subsistence) — DoD FMR Vol. 7A Ch. 25; 37 U.S.C. § 402. 2026: $476.95/month enlisted, $328.48/month officer.
- BAH (Basic Allowance for Housing) — DoD FMR Vol. 7A Ch. 26; 37 U.S.C. § 403. Rates published annually by DTMO; vary by Military Housing Area (MHA), pay grade, and dependency status.
- Federal Income Tax Advantage (FITA) — 37 U.S.C. § 101(25); 26 U.S.C. § 134 (allowance exclusion); methodology per the OSD Selected Military Compensation Tables ("Greenbook"); IRS Publication 15-T (withholding tables).