Military Body Fat Calculator – Army, Navy & Lean Mass (Free Tools)
Free military body fat calculators for Army and Navy — tape test, BCA standards, height/weight chart, and lean body mass. All tools in one place. Instant results
Military Body Fat Calculator Hub: Army, Navy & Lean Mass Tools
Free military body composition calculators — Army tape test, Navy BCA, Army height & weight, and lean body mass — all reflecting current 2026 military regulations.
This is the complete military body composition resource for the US Army and Navy — covering military body fat calculators, circumference tape test formulas, Army height and weight standards, and lean body mass tools all in one place. Whether you are checking your Army tape test result, calculating your Navy BCA score, verifying Army screening weight compliance, or tracking lean muscle mass over time, this hub provides the right free calculator for each assessment type. Different military branches use different body fat measurement methods and different maximum body fat standards — and the correct tool depends on which branch and which test you are preparing for.
The four free calculators available through this hub are: the Navy Body Fat Calculator (official Hodgdon circumference formula with Navy BCA standards), the Army Body Fat Calculator (AR 600-9 tape test — traditional multi-site and new 2023 one-site method), the Army Height & Weight Calculator (AR 600-9 screening weight table with pass/fail result), and the Lean Body Mass Calculator (Boer, James, and Hume formulas simultaneously). All standards reflect current 2026 regulations: AR 600-9 for the Army and OPNAVINST 6110.1 series for the Navy.
In addition to Army and Navy calculators, this page covers body fat standards and measurement methods for the Marine Corps, Air Force/Space Force, and Coast Guard in the comparison sections below — making it the most complete military body fat standards reference available online. The page is useful for active duty personnel, recruits, ROTC cadets, National Guard and Reserve members, veterans, fitness coaches who train military clients, and civilians who want to understand or meet US military fitness standards. Select the calculator you need below or read through the complete guide to understand military body composition standards across all branches.
Table of Contents
- Free Military Body Fat Calculators — All Tools
- How the Military Measures Body Fat — Tape Test Method
- Military Body Fat Standards by Branch — 2026 Comparison Chart
- US Army Body Composition Standards — AR 600-9 Overview
- US Navy Body Composition Standards — BCA Overview
- Marine Corps, Air Force & Coast Guard Body Fat Standards
- How Accurate Is the Military Tape Test?
- Lean Body Mass and Military Body Composition — Why LBM Matters
- Which Military Body Fat Calculator Should I Use?
- How to Improve Your Body Composition for Military Standards
- Military Body Fat — Frequently Asked Questions
- All Free Military Fitness Calculators
Free military body fat calculators — all tools
All four military fitness calculators on everycalcpro.com are free, instant, and reflect current 2026 military standards. Select the calculator that matches your branch and assessment type.
Navy Body Fat Calculator
For US Navy personnel, recruits, and civilians using the official Navy circumference method to estimate body fat percentage.
Calculates body fat percentage using the official US Navy formula (Hodgdon method) based on neck, waist, and hip circumference measurements. Compares your result against current Navy BCA body fat limits for your age group and gender.
- Height
- Neck circumference
- Abdomen circumference (men)
- Waist + hips circumference (women)
- Optional: Age for BCA standards comparison
Standards: OPNAVINST 6110.1 series — Navy BCA body fat limits by age and gender.
Calculate Navy Body Fat →Army Body Fat Calculator (APFT Tape Test)
For US Army soldiers, recruits, ROTC cadets, and Reserve/Guard personnel checking Army body composition compliance.
Calculates body fat percentage using the official Army tape test formula — covering both the traditional multi-site method and the updated one-site abdominal method from the 2023 AR 600-9 revision. Compares results against current Army body composition standards by age and gender.
- Height
- Neck + Waist (traditional men)
- Neck + Waist + Hips (traditional women)
- Single abdomen measurement (new one-site method)
- Optional: Age for ABCP standards comparison
Standards: AR 600-9 — Army body fat limits by age and gender (2026).
Calculate Army Body Fat →Army Height and Weight Calculator
For Army soldiers, recruits, and anyone checking AR 600-9 screening weight compliance before their official weigh-in.
Instantly checks your weight against the full AR 600-9 screening weight table for all heights (58″–80″), all age groups, and both genders. Explains clearly what happens if the screening weight is exceeded — triggering referral to the body fat tape test.
- Gender
- Age
- Height
- Current weight
Standards: AR 600-9 height and weight screening table — full men’s and women’s chart for all heights.
Check Army Height & Weight →Lean Body Mass Calculator
For military personnel of any branch, fitness enthusiasts, athletes, coaches, and medical professionals tracking lean tissue over time.
Calculates lean body mass (LBM) simultaneously using three established formulas — Boer, James, and Hume — showing all three results plus an averaged composite. An optional body fat percentage input unlocks a full breakdown of fat mass, lean mass, and estimated skeletal muscle mass.
- Gender
- Height
- Body weight
- Optional: Body fat % for detailed fat/lean breakdown
Reference: Scientific LBM reference ranges by height and gender — applicable to all military branches.
Calculate Lean Body Mass →How the military measures body fat — the circumference tape test method
All US military branches use the circumference tape test method — also called the circumference measurement method — to estimate body fat percentage as part of their official military body composition assessment. This method uses a flexible measuring tape to take circumference measurements at specific body sites, then applies a branch-specific mathematical formula to estimate body fat from those measurements. The circumference tape test is the official military fitness standard body fat measurement tool across all five branches.
Clinical methods like DEXA scanning and hydrostatic weighing are the most accurate body fat measurement tools available — with margins of error under 1–2%. Military branches use the tape test because it is fast, low-cost, and can be administered by any trained personnel without specialized equipment or facilities. The margin of error for the military circumference method is approximately ±3–4% compared to DEXA scanning — a known and accepted trade-off given the operational requirements of a large force.
Measurement sites by method
Army — Traditional Multi-Site Method
- Men: Neck + Waist at navel
- Women: Neck + Waist at narrowest point + Hips at widest point
- Uses linear regression formula
- Three measurements averaged at each site
Army — New One-Site Method (2023 AR 600-9 Update)
- Men: Single abdominal circumference at navel
- Women: Single abdominal circumference at iliac crest
- Three measurements taken and averaged
- Separate regression formula from traditional method
Navy Method (Hodgdon Formula)
- Men: Height + Neck + Abdomen at navel
- Women: Height + Neck + Waist at narrowest + Hips at widest
- Uses logarithmic calculation (log₁₀)
- Same formula used by civilian fitness assessments worldwide
Marine Corps Method
- Men: Neck + Waist at navel
- Women: Neck + Waist + Hips
- Uses circumference-based formula similar to Army
- Strictest standards of all branches
Military body fat standards by branch — 2026 comparison chart
This comparison table shows the maximum body fat percentage allowed by each US military branch for both men and women across all age groups. Use it to compare military body fat standards across services or to check the specific requirements for a branch you are joining or transitioning to.
Men’s Maximum Body Fat % — All Branches (2026)
| Age Group | Army (AR 600-9) | Navy (OPNAVINST) | Marine Corps (MCO 6100.13) | Air Force / Space Force (AFI 36-2905) | Coast Guard |
|---|---|---|---|---|---|
| 17–20 | 20% | 22% | 18% | 20% | 22% |
| 21–27 | 22% | 23% | 18% | 22% | 23% |
| 28–39 | 24% | 24% | 20% | 24% | 24% |
| 40+ | 26% | 26% | 21% | 26% | 26% |
Women’s Maximum Body Fat % — All Branches (2026)
| Age Group | Army (AR 600-9) | Navy (OPNAVINST) | Marine Corps (MCO 6100.13) | Air Force / Space Force (AFI 36-2905) | Coast Guard |
|---|---|---|---|---|---|
| 17–20 | 30% | 33% | 26% | 28% | 33% |
| 21–27 | 32% | 34% | 26% | 30% | 34% |
| 28–39 | 34% | 35% | 28% | 32% | 35% |
| 40+ | 36% | 36% | 31% | 34% | 36% |
The Marine Corps consistently has the strictest body fat standards of all US military branches — for both men and women across all age groups. All branches use the circumference tape test as their primary body fat measurement method, though the specific measurement sites and formulas differ by branch. Standards verified from current service regulations as of 2026. Always confirm current standards with your branch regulations or chain of command. Regulations are subject to revision — check the most current version of AR 600-9, OPNAVINST 6110.1, MCO 6100.13, AFI 36-2905, and current ALCOAST for the most up-to-date figures.
US Army body composition standards — AR 600-9 overview
The Army Body Composition Program (ABCP) is governed by Army Regulation 600-9. All active duty soldiers, National Guard, and Reserve personnel are assessed semi-annually as part of the Army Physical Fitness Assessment (APFA). Soldiers who exceed the AR 600-9 screening weight for their height, age, and gender are referred for the body fat tape test — and those who fail both the weight screening and the tape test are enrolled in the Army Body Composition Program.
Step 1 — Screening Weight Check
The first step is checking weight against the AR 600-9 height/weight screening table, sorted by height, gender, and age. The table provides maximum screening weights for all heights from 58 inches to 80 inches. Exceeding the screening weight does not automatically mean a soldier fails — it triggers a referral to the tape test in Step 2.
Step 2 — Body Composition Tape Test
If the screening weight is exceeded, trained height and weight personnel administer the Army tape test to calculate body fat percentage using either the traditional multi-site method or the newer one-site abdominal method introduced in the 2023 AR 600-9 update. If body fat is within Army limits for that soldier’s age and gender, the soldier passes. If body fat exceeds limits, the soldier is enrolled in the ABCP.
Army Body Fat Limits (Quick Reference)
| Age Group | Men — Max BF% | Women — Max BF% |
|---|---|---|
| 17–20 | 20% | 30% |
| 21–27 | 22% | 32% |
| 28–39 | 24% | 34% |
| 40+ | 26% | 36% |
Soldiers enrolled in the ABCP are flagged under AR 600-8-2, which prevents promotions, awards, attendance at professional military education (PME), and other favorable personnel actions. Monthly assessments track progress toward body fat compliance. Failure to make satisfactory progress within the defined timeline — typically 6 months — can result in administrative separation proceedings and potential discharge from the Army.
Body fat standards for Marines, Air Force, and Coast Guard
Marine Corps Body Fat Standards
The Marine Corps has the strictest body fat standards of all US military branches — by a significant margin across all age groups and both genders. Body composition is governed by MCO 6100.13 series. Marines use the circumference tape test with neck and waist (men) or neck, waist, and hips (women) measurements. Male Marines must maintain body fat at or below 18% for ages 17–27, 20% for ages 28–39, and 21% for ages 40 and above. Female Marines must maintain body fat at or below 26% for ages 17–27, 28% for ages 28–39, and 31% for ages 40 and above. Any service member transitioning from the Army or Navy to the Marine Corps must meet these stricter standards — which often requires meaningful reductions in body fat from the previous branch’s acceptable levels.
Air Force and Space Force Body Fat Standards
The Air Force and Space Force use a composite health score approach under AFI 36-2905, combining body composition, aerobic fitness, and muscular fitness into an overall assessment score. Body composition in the Air Force primarily uses abdominal circumference as the primary measurement — a single waist measurement — rather than a full multi-site tape test for most assessments. This makes the Air Force approach simpler to administer but less precise than the multi-site methods used by the Army and Navy. Air Force men must maintain body fat limits of 20% (under age 30), 22% (ages 30–39), 24% (ages 40–49), and 26% (ages 50+). Air Force women must maintain 28% (under 30), 30% (ages 30–39), 32% (ages 40–49), and 34% (ages 50+). These standards apply equally to Space Force personnel.
Coast Guard Body Fat Standards
The Coast Guard uses a body fat assessment method closely similar to the Navy circumference formula, reflecting shared operational culture and regulatory alignment between the two sea services. Coast Guard body fat limits closely parallel Navy standards: men are held to 22–26% depending on age, and women to 33–36%. Coast Guard members are assessed semi-annually as part of their physical fitness program. For Army and Navy body composition calculations, use the free military body fat calculators above — the most accurate military body fat calculators available online. Dedicated calculators for the Marine Corps, Air Force, and Coast Guard may be added to everycalcpro.com in the future as those tools are developed and validated.
How accurate is the military tape test for measuring body fat?
The military tape test has a margin of error of approximately ±3–4% compared to gold-standard DEXA (dual-energy X-ray absorptiometry) scanning. In practical terms, this means a tape test result of 22% body fat could reflect an actual clinical body fat percentage anywhere from approximately 18% to 26% by DEXA measurement. This is a meaningful range — particularly for personnel who are close to their branch’s maximum limit.
This margin of error is widely known and accepted within military medicine as a reasonable trade-off for the method’s speed, portability, and low cost. Deploying DEXA scanners to all military units worldwide would be logistically and financially impractical — the tape test accomplishes the same population-level screening goal with available resources.
Several factors significantly affect tape test accuracy in practice:
- Measurement technique: A trained, certified height and weight NCO (or equivalent) produces more consistent measurements than an untrained administrator. Tape angle, tension, and precise placement all affect results.
- Tape tension: A tape held too loosely will overestimate circumference (producing a higher body fat estimate); too tight will underestimate it.
- Time of day and hydration: Circumference measurements taken after a large meal, in the evening, or after intense exercise may produce slightly different results than morning fasted measurements.
- Body shape variation: The circumference method does not account for individual differences in bone structure, fat distribution patterns, or musculature — factors that can produce systematic over- or underestimates for certain body types.
Lean body mass and military body composition — why LBM matters
Lean body mass (LBM) is the foundation of military physical performance — it represents everything in the body except fat tissue: skeletal muscle, bone, organs, blood, and water. High LBM soldiers and sailors consistently demonstrate better strength output, greater aerobic capacity, higher endurance under load, and greater injury resistance than their lower-LBM counterparts at the same total body weight. Military physical fitness standards — running, push-ups, pull-ups, obstacle courses — are all fundamentally driven by lean mass quality.
A critical insight for military body composition assessment: many personnel who exceed the height and weight screening table do so because of high lean body mass — significant muscle development — rather than excess fat. A muscular 220-pound soldier may exceed the AR 600-9 screening weight for their height and be referred for a tape test, only to pass easily because their body fat is well within limits. The tape test exists precisely to identify these individuals and give them a fair path to compliance based on actual body composition rather than weight alone.
Tracking lean body mass monthly using the Lean Body Mass Calculator is one of the most practically useful monitoring tools for military personnel enrolled in the Army ABCP or Navy FEP. During a caloric-deficit weight reduction program, the goal is to lose fat mass while preserving lean mass — a distinction that total body weight alone cannot reveal. If LBM drops while total weight decreases, the tape test result may actually worsen even though the scale shows improvement. Monitoring both metrics simultaneously gives personnel and their commanders an accurate picture of whether the program is working as intended.
Calculate Your Lean Body Mass →Which military body fat calculator should I use?
The right military body fat calculator depends on your branch and what you are trying to find out. Use this decision guide to go directly to the correct tool:
How to improve your body composition for military standards
If you are working toward meeting or maintaining your branch’s military body fat standards — whether preparing to enlist, working through ABCP, or maintaining a comfortable buffer below your limit — these five evidence-based strategies are most effective for military personnel:
1. Caloric Deficit With High Protein
Fat loss requires consuming fewer calories than you expend. For military personnel, a moderate deficit of 300–500 calories per day is the recommended range — large enough to produce consistent fat loss (approximately 0.5–1 lb per week) while small enough to preserve lean muscle mass and maintain performance. Protein intake of 0.8–1.0g per pound of lean body mass supports muscle preservation during a deficit. Prioritize whole protein sources: chicken, eggs, fish, lean beef, and Greek yogurt.
2. Military PT + Resistance Training
Standard Army and Navy PT (running, push-ups, sit-ups, pull-ups) burns significant calories and maintains cardiovascular fitness, but does not maximally stimulate muscle preservation during a caloric deficit. Adding 2–3 sessions of compound resistance training per week (squats, deadlifts, rows, presses) alongside regular PT is the most effective combination for body recomposition — reducing fat while maintaining or increasing lean tissue, which directly improves tape test results.
3. Reduce Alcohol and Processed Food
Alcohol and processed, calorie-dense foods are among the most consistent contributors to excess body fat in military populations. Alcohol provides 7 calories per gram with zero nutritional value and directly impairs muscle protein synthesis. Eliminating or significantly reducing alcohol consumption and replacing processed snacks with whole foods creates a meaningful caloric deficit without requiring changes to exercise habits — often the single fastest lever for body fat reduction.
4. Monthly Tracking With the Right Calculator
Using the appropriate Army or Navy body fat calculator consistently every month provides objective, comparable data on progress. Take measurements at the same time of day (morning, pre-meal) for the most consistent results. Track both body fat percentage and total body weight so you can distinguish fat loss from lean mass changes. Consistent monthly data also helps you approach official assessment cycles with confidence, knowing exactly where your body fat sits relative to your branch’s limit.
5. Prioritize Lean Mass Preservation
The most important principle for ABCP and FEP participants: ensure that weight loss comes from fat, not from muscle. Losing lean body mass reduces your metabolic rate, hurts physical performance, and can actually worsen tape test results — even if the scale shows improvement. Use the Lean Body Mass Calculator alongside your body fat calculator monthly to verify that your LBM is stable or increasing while your body fat percentage decreases. This combination of data is what distinguishes effective body recomposition from simple scale-driven weight loss.
Military body fat — frequently asked questions
What is the body fat limit for the US military?
US military body fat limits vary by branch, age, and gender. For Army men, limits range from 20% (ages 17–20) to 26% (ages 40+). Army women range from 30% to 36%. Navy men range from 22% to 26%; Navy women from 33% to 36%. The Marine Corps has the strictest standards — men range from 18% (17–27) to 21% (40+), and women from 26% (17–27) to 31% (40+). Air Force/Space Force limits are 20–26% for men and 28–34% for women depending on age. All branches use the circumference tape test as their primary body fat measurement method under current military fitness standards.
Which military branch has the strictest body fat standards?
The Marine Corps has the strictest body fat standards of all US military branches. Male Marines ages 17–26 must maintain body fat at or below 18% — compared to 20–22% for Army and Navy men in the same age group. Female Marines must maintain 26% or below for ages 17–26, compared to 30–33% for Army and Navy women. These stricter military body fat limits reflect the Marine Corps’ emphasis on combat readiness and physical excellence as a core institutional value. Any service member transitioning to the Marines from another branch must meet these higher standards.
How does the military measure body fat percentage?
All US military branches use the circumference tape test method to measure body fat percentage as part of the military body composition assessment. A flexible tape measures circumferences at specific body sites; a formula then estimates body fat from those measurements. The Army uses neck + waist (men) or neck + waist + hips (women) for the traditional method, or a single abdominal measurement for the 2023 one-site update. The Navy uses neck + abdomen (men) or neck + waist + hips (women) with a logarithmic formula. The Marine Corps uses a similar multi-site circumference method.
What happens if you fail a military body fat test?
Failing a military body fat test results in enrollment in a formal body composition improvement program. Army soldiers who fail both the screening weight and the tape test are enrolled in the Army Body Composition Program (ABCP), which flags them — blocking promotions, awards, and favorable personnel actions. Navy sailors are placed on the Fitness Enhancement Program (FEP). Both programs require regular reassessments and structured physical training and nutrition counseling. Repeated failures over multiple assessment cycles can lead to administrative separation proceedings and potential discharge from military service.
Can you join the military if you are currently overweight?
You may be able to join the military even if you exceed the height and weight screening table — provided you pass the body fat tape test. The military uses a two-step screening process: weight table first, tape test second for anyone who exceeds it. If your body fat percentage falls within military body fat limits, you may qualify even if the scale puts you over the weight table limit. This pathway commonly applies to muscular individuals with high lean body mass. However, you must be within body fat standards at the time of enlistment processing.
How often does the military check body fat?
All US military branches conduct body composition assessments twice per year — semi-annually — as part of their physical fitness assessment cycle. Army assessments occur during Army Physical Fitness Assessment (APFA) cycles. Navy assessments are part of the PFA cycles held in spring and fall. Personnel enrolled in formal body composition improvement programs — Army ABCP or Navy FEP — are typically assessed monthly to track progress and ensure forward movement toward body fat compliance within the program timeframe.
Are military body fat standards different for men and women?
Yes — military body fat standards are significantly different for men and women across all branches. Women are permitted higher maximum body fat percentages than men at every age group. This reflects the physiological difference in essential fat requirements between biological males and females — women require a baseline of approximately 10–13% essential body fat for hormonal and reproductive health, versus 2–5% for men. The measurement sites also differ: women’s assessments include hip measurements that men’s assessments do not, accounting for female fat distribution patterns.
What is the difference between the Army and Navy body fat tape test?
The Army and Navy tape tests differ in measurement sites and mathematical formula. The Army traditional method measures neck and waist (men) or neck, waist, and hips (women) using linear regression. The 2023 AR 600-9 update introduced a single-site abdominal circumference method with a separate formula. The Navy measures neck and abdomen (men) or neck, waist, and hips (women) using a logarithmic formula (log₁₀) — the Hodgdon method. The Navy formula is more widely used in civilian fitness contexts. Both army vs navy body fat standards tests produce similar estimates for most body types but can diverge for atypical proportions.
What is the Army Body Composition Program (ABCP)?
The Army Body Composition Program (ABCP) is the Army’s formal program for soldiers who exceed both the AR 600-9 screening weight and the body fat tape test limits. Soldiers on ABCP are flagged under AR 600-8-2, which suspends promotions, awards, professional military education attendance, and other favorable personnel actions. ABCP requires monthly reassessments and enrollment in structured nutrition and fitness guidance. Soldiers who fail to make satisfactory progress toward body fat compliance within the program’s defined timeframe — typically six months — face administrative separation from the Army.
What is the Navy Body Composition Assessment (BCA)?
The Navy Body Composition Assessment (BCA) is the body fat measurement component of the Navy PFA, governed by OPNAVINST 6110.1 series. Sailors who exceed the height and weight screening table are assessed using the Navy circumference formula. Results are compared against Navy BCA body fat limits by age and gender. Sailors who fail the Navy BCA are placed on the Fitness Enhancement Program (FEP), providing structured additional PT and nutritional counseling. Repeated Navy BCA failures across multiple PFA cycles affect promotions, assignments, and reenlistment eligibility.
How accurate is the military tape test compared to DEXA scanning?
The military tape test has a margin of error of approximately ±3–4% compared to gold-standard DEXA scanning. A tape test result of 22% could reflect an actual clinical body fat of 18–26% by DEXA. DEXA scanning is more accurate (within 1–2%) but requires specialized equipment unavailable at most military units. The tape test is used because it is fast, inexpensive, and requires no equipment beyond a measuring tape and trained personnel. Measurement technique is the largest controllable variable — certified administrators produce more consistent results than untrained or self-administered measurements.
What body fat percentage should I aim for to comfortably pass military standards?
To comfortably pass military body fat standards, aim to maintain body fat at least 2–3 percentage points below your branch’s maximum for your age and gender. For Army men ages 21–27 (limit: 22%), aim for 18–19%. For Navy men ages 22–29 (limit: 23%), aim for 19–20%. For Marine men ages 17–27 (limit: 18%), aim for 15–16%. This buffer accounts for daily measurement variation, hydration changes, and technique differences between assessors. Use the Army or Navy body fat calculator monthly to track your position relative to your branch’s military body fat limits.
All free military fitness calculators — everycalcpro.com
All four military body composition tools are free, instant, and available on any device. Here is a final summary with direct links:
Navy Body Fat Calculator
Calculate body fat percentage using the official US Navy circumference formula (Hodgdon method) with comparison against current Navy BCA standards for your age group and gender.
Use the free Navy Body Fat Calculator →Army Body Fat Calculator (APFT Tape Test)
Calculate body fat percentage using the Army tape test — traditional multi-site or new 2023 one-site method — with comparison against current AR 600-9 body composition standards by age and gender.
Use the free Army Body Fat Calculator →Army Height & Weight Calculator
Instantly check weight against AR 600-9 screening standards with a complete Army height and weight chart for all heights and age groups — with a clear pass/fail result and tape test referral indicator.
Use the free Army Height & Weight Calculator →Lean Body Mass Calculator
Calculate lean body mass using Boer, James, and Hume formulas simultaneously — showing all three results plus a composite average. Optional body fat percentage input provides a full fat mass, lean mass, and estimated skeletal muscle mass breakdown.
Use the free Lean Body Mass Calculator →This is the most complete military body composition resource available in one place — covering Army, Navy, Marine Corps, Air Force/Space Force, and Coast Guard standards together with branch-specific body fat comparison tables, measurement method explanations, accuracy analysis, and practical improvement guidance. All four free calculators linked throughout this page — the Navy Body Fat Calculator, Army Body Fat Calculator, Army Height & Weight Calculator, and Lean Body Mass Calculator — reflect current 2026 military regulations including AR 600-9 and OPNAVINST 6110.1 series. Bookmark this page as your go-to military fitness reference for any body composition question across any US military branch. This page is updated whenever military regulations are revised to ensure the standards and calculator formulas remain accurate. Dedicated calculators for the Marine Corps, Air Force, and Coast Guard are under development and will be added to everycalcpro.com when ready. Use the free military body fat calculators above — accurate, instant, and built to the same standards your branch uses.