Aisha K.
Mar 12, 2026
Clean layout and the results update instantly. Exactly what I needed for a quick planning check.
Health, Fitness & Wellness
Navy-method body fat estimate compared to age/sex Army maximums.
Check body fat against approximate Army tape-test screening limits. Estimates only—not a diagnosis or prescription.
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Inputs save on this device only. Share a link to reopen your exact numbers.
Smart analysis
Tailored to your live inputs and result—guidance only, not professional advice.
Treat this as a planning estimate
Primary result: Body fat % = 5.0%. Re-run with optimistic and pessimistic inputs to understand the range—not just a single point.
Scenario studio
Capture two sets of inputs on this device, then see which outcome wins. Share either scenario with a link.
Scenario A
Adjust inputs, then capture this slot.
Scenario B
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Come back later
Private on this device only. Not a medical diagnosis or treatment advice — talk to a qualified clinician for health decisions.
No snapshots yet — save one to track change over time.
Plain-English guide
Confused by a field? Read the short definitions here while you use the tool.
Sex (0=F, 1=M)
The “Sex (0=F, 1=M)” value used in this tool’s formula. Adjust it to see results update live.
Age (years)
Length of the repayment schedule.
Height (in)
The “Height (in)” value used in this tool’s formula. Adjust it to see results update live.
Weight (lbs)
The “Weight (lbs)” value used in this tool’s formula. Adjust it to see results update live.
Neck (in)
The “Neck (in)” value used in this tool’s formula. Adjust it to see results update live.
Waist (in)
The “Waist (in)” value used in this tool’s formula. Adjust it to see results update live.
Hip (in, women)
The “Hip (in, women)” value used in this tool’s formula. Adjust it to see results update live.
Check body fat against approximate Army tape-test screening limits. Estimates only—not a diagnosis or prescription. Navy-method body fat estimate compared to age/sex Army maximums. Example: Age 24 male at 17% body fat is below a ~22% screening ceiling (unofficial).
Navy-method body fat estimate compared to age/sex Army maximums.
Example: Age 24 male at 17% body fat is below a ~22% screening ceiling (unofficial).
Governing formula
Navy-method body fat estimate compared to age/sex Army maximums.
Age 24 male at 17% body fat is below a ~22% screening ceiling (unofficial).
Example: set Sex (0=F, 1=M) = 1, Age (years) = 24, Height (in) = 70, then read the result.
Sex (0=F, 1=M)
The “Sex (0=F, 1=M)” field. Default 1; typical range 0–1.
Age (years)
The “Age (years)” field. Default 24; typical range 17–50.
Height (in)
The “Height (in)” field. Default 70; typical range 48–84.
Weight (lbs)
The “Weight (lbs)” field. Default 180; typical range 100–300.
Neck (in)
The “Neck (in)” field. Default 16; typical range 10–25.
Waist (in)
The “Waist (in)” field. Default 32; typical range 20–60.
Hip (in, women)
The “Hip (in, women)” field. Default 0; typical range 0–60.
Health, Fitness & Wellness
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Community
See what others think about this tool, then leave your own rating to help improve CalculioHub.
4.8
out of 5.0
4 reviews
Aisha K.
Mar 12, 2026
Clean layout and the results update instantly. Exactly what I needed for a quick planning check.
Daniel R.
Feb 28, 2026
Very usable on mobile. Would love a save/export option later, but the math feels solid.
Priya S.
Feb 3, 2026
The FAQ section answered my questions before I even had to search. Smooth dark mode too.
Marcus L.
Jan 19, 2026
Simple inputs, clear outputs. This replaced three bookmarks I used to juggle.
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