How a promotion changes your paycheck
When you sew on a new rank, your basic pay jumps to whatever the new paygrade pays for your years of service. The 2026 pay tables are tiered first by paygrade and then by YOS columns at <2, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, and 40 years — so a promotion that crosses both a paygrade boundary AND a YOS column produces the largest single monthly raise of your career.
The largest absolute jumps in the enlisted ranks are E-3 → E-4 (when crossing 2 YOS) and E-6 → E-7 (the senior NCO transition). On the officer side, O-3 → O-4 is the standard mid-career promotion — frequently a $1,000+ monthly raise depending on YOS column. Warrant officers see steady progression at every grade because the warrant pay structure has tighter spacing between grades.
What the calculator does NOT include
This page shows the basic-pay change only. A real-world "promotion paycheck" also depends on:
- BAH — promotion can change your with-dependents BAH tier if it crosses a paygrade-tier boundary at your duty station. Use the BAH Comparison tool to model the new rate.
- BAS — flat monthly amount that does not change at promotion (enlisted: $476.95, officer: $328.48 in 2026).
- Special and incentive pays — many are tied to position (HDIP, SDAP, FLPB, sea pay, aviation incentive). A promotion that also moves you to a new billet may add or remove these pays.
- Federal income tax — basic pay is fully taxable, so a $400/month raise at the 22% bracket is roughly $312 in your pocket after federal+FICA. Use the Federal Tax Withholding tool to model take-home.
- Retirement multiplier — under both the legacy High-3 system and the BRS 2.0% multiplier, a promotion captured in the high-3 window (the 36 months immediately before separation) raises your pension for life. Promote 18 months before retirement, and only half of your high-3 earnings reflect the new rate; promote 4+ years out, the full pension is recalculated against the higher pay.
- TSP matching (BRS members) — if your contribution is set as a percent of basic pay, the dollar amount you save automatically rises with the promotion. Same for the agency 4% match.
Compounding over a career
Even a modest $300/month raise compounds to about $36,000 over 10 years and roughly $108,000 over a 30-year career — before counting the same raise rolling into BAH percentage, retirement pension, TSP match, and post-service Social Security. The earlier in a career you promote, the larger the lifetime impact.
For reference: the 2026 across-the-board military pay raise is 3.8% per the FY2026 NDAA, plus an additional 4.5% targeted raisefor E-1 through E-4. So promotions are stacking on top of that 2026 baseline; the promotion raise is independent of the annual raise.
Time-in-grade and time-in-service rules
Promotion eligibility depends on minimum time-in-service (TIS) and time-in-grade (TIG) requirements set by service-specific instruction. These vary across the services and across grades — for example, the Air Force AFI 36-2502, Army AR 600-8-19, Navy MILPERSMAN 1430-010, Marine Corps MCO 1400.32E, and Coast Guard COMDTINST M1000.2D each set their own minimums. Most enlisted promotions require 6 months to 3 years TIG plus 2 to 14 years TIS, depending on the rank. Officer promotions are governed by DOPMA / ROPMA (Defense Officer Personnel Management Act) with promotion zones (primary, below-zone, above-zone).
This calculator does not encode service-specific eligibility — see the appropriate service instruction for TIG/TIS minimums, and the most recent promotion board results for selection rates by zone. The TIS/TIG matrix tool is on the Military Toolkit roadmap.