Health Calculators
Calculate your physical health and body metrics with clinical precision. Fast, private, and completely free.
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Health
Adult BMI Calculator
WHO & CDC adult BMI with race-specific classification and healthy weight range.
BMI Calculator for Women
Slightly adjusted screening categories for biological structures.
BMI Calculator for Men
Targeted scaling metric suitable for standard muscular body frames.
Body Fat Calculator
Estimate body fat percentage with US Navy circumference formulas, ACE categories, and Jackson & Pollock ideal targets.
Waist-to-Hip Ratio (WHR)
Explore scientific adipose metrics and visceral health ratios.
Waist-to-Height Ratio (WHtR)
Measure cardiovascular risk index with tummy guidelines.
BMR Calculator
Estimate basal metabolic rate with Harris-Benedict, Mifflin-St Jeor, Schofield, or Katch-McArdle formulas.
Asian BMI Calculator
Calculate BMI using WHO Asia-Pacific and country-specific standards for China, Japan, South Korea, Singapore, China (Taiwan), India, Thailand, Malaysia, Philippines, Indonesia, and Vietnam.
Child & Teen BMI Calculator
Track growth percentiles accurately using official WHO, CDC, and IOTF international standards.
US Army Body Fat Calculator 2026
Calculate your body fat percentage using the US Army's official 2023 one-site tape test formula, then check it against the AR 600-9 maximum allowable standards for your age and sex.
US Navy Body Fat Calculator 2026
Calculate your body fat percentage using the US Navy's official 2026 2-step Body Composition Assessment (BCA) procedures, then check it against the OPNAVINST 6110.1L maximum allowable standards for your gender.
US Air Force Body Fat Calculator 2026
Calculate your body fat percentage and waist-to-height ratio (WHtR) using the US Air Force official 2026 DAFMAN 36-2905 procedures.