Army Body Fat CalculatorAbout
Army Body Fat Calculator is an independent, unofficial reference site for the U.S. Army's body composition standard as it stands today — the waist-to-height ratio (WHtR) adopted by Army Directive 2026-13 — with the retired tape-test system preserved alongside it, so Soldiers and recruits can check themselves against the current rules and still make sense of older records.
Who runs this site
The site is built and maintained by Ian Welkins, an independent web publisher who builds focused calculator sites and maintains them the way reference tools should be maintained: against primary sources, with every number traceable. You can reach Ian through the contact page or the error report form.
The site exists because the Army's method keeps changing faster than the internet keeps up. In 2023 the one-site tape test replaced the multi-site method, and most calculators a Soldier found still ran the retired equations. In July 2026 the tape itself was abolished for the waist-to-height ratio — and the same lag began again. A Soldier preparing for a career-affecting assessment deserves the current standard, the actual official tables, and a clear statement of where every number came from. That is the whole editorial idea of this site.
How the numbers are sourced
Nothing on this site is reconstructed from memory or copied from another calculator. The WHtR calculators implement the standard in Army Directive 2026-13 with the measurement and recording rules of HQDA EXORD 182-26, Annex A — including its official maximum-waist screening table (Figure B-1), which this site's computed maxima were checked against row by row, and its worked recording example (0.549888 records as 0.549 and meets the standard). The retired material keeps its own provenance: the one-site equations from Army Directive 2023-11, verified against the directive's published sample calculations (a man of 210 lb with a 35 in abdomen at 17%; a woman of 165 lb with a 30 in abdomen at 26%), the screening tables transcribed from Table B-1 of AR 600-9, and the Hodgdon equations of the retired multi-site method, tested against published worked examples. The full method, including how corrections are handled, is set out in the editorial policy.
Sources used across the site include the Army.mil announcement of Army Directive 2026-13, the EXORD implementing guidance, AR 600-9 and the directives that amended it, and the Army Resilience Directorate's ABCP pages. Where a fact could not be verified against a source of that standing, it was left out — the female page's deliberately general pregnancy section is an example.
What the site is not
This site is not affiliated with, endorsed by, or connected to the U.S. Army, the Department of Defense, or any government body, and nothing here is an official determination of anything. Every result is computed by the published rules; only your unit's assessment — its measurers, its equipment, its procedures — decides whether you meet the standard. The site gives no medical advice: body composition questions with a health dimension belong with your medical provider, and administrative questions about your own case belong with your chain of command.
If you are a recruit rather than a serving Soldier, the same caution applies in a friendlier form: these tools will show you honestly where you stand against the standards, but enlistment decisions are made at MEPS under the rules in force that day — confirm current requirements with a recruiter.
Last verified: 26 October 2026