Body Metrics & Weight Calculators

25 professional health calculators • 100% free to use

Calculate BMI, body fat percentage, ideal weight, and track fitness progress with 11 professional tools for body composition analysis and weight management.

All Body Metrics & Weight Calculators

Adult BMI Calculator for Men & Women — WHO BMI Guide

Use the adult BMI calculator to find your BMI with WHO categ...

Body Metrics & Weight

Army Body Fat Calculator — AR 600‑9 Standard Compliance

Check compliance with the Army body fat calculator per AR 60...

Body Metrics & Weight

Body Composition Calculator — Fat, Lean Mass Breakdown

Use our body composition calculator to estimate body fat per...

Body Metrics & Weight

Body Fat Calculator — Percentage for Men & Women (Tape)

Estimate with the body fat percentage calculator (body fat c...

Body Metrics & Weight

Body Measurement Calculator: Wrist Size & Frame Guide

Use our body measurement calculator to capture wrist, waist,...

Body Metrics & Weight

Body Roundness Index Calculator (BRI) — Height & Waist

Estimate adiposity from height and waist with our body round...

Body Metrics & Weight

Body Shape Calculator & Guide Based on Measurements

Discover your proportions with our body shape calculator. En...

Body Metrics & Weight

Body Type Calculator: Identify Your Somatotype Fast

Use our body type calculator to identify ectomorph, mesomorp...

Body Metrics & Weight

Body Surface Area Calculator (BSA) for Medical Dosing

Calculate BSA with our body surface area calculator for clin...

Body Metrics & Weight

Child BMI Calculator — Percentile by Age and Sex (CDC)

Estimate percentiles with the child BMI calculator using CDC...

Body Metrics & Weight

FFMI Calculator — Fat‑Free Mass Index by Height & Weight

Calculate muscularity with the FFMI calculator. Input body w...

Body Metrics & Weight

Frame Size Calculator — Small, Medium, or Large Build

Frame size calculator to classify your build as small, mediu...

Body Metrics & Weight

Healthy Weight Range Calculator — BMI Range by Height

Find your healthy weight range by height with our healthy we...

Body Metrics & Weight

Ideal Body Weight Calculator — Devine, Hamwi, Robinson

Find your IBW with the ideal body weight calculator (IBW cal...

Body Metrics & Weight

Lean Body Mass Calculator (LBM) — Fat‑Free Mass Estimate

Use the lean body mass calculator to estimate fat‑free mass ...

Body Metrics & Weight

Muscle Mass Calculator — Estimate Skeletal Muscle (SMM)

Estimate SMM with the muscle mass calculator using body weig...

Body Metrics & Weight

Navy Body Fat Calculator — Official U.S. Navy Tape Test

Use our Navy body fat calculator to estimate body fat with t...

Body Metrics & Weight

Obesity Calculator: BMI Obesity Class 1–3 Checker Guide

Use our obesity calculator to determine your BMI obesity cla...

Body Metrics & Weight

Overweight Calculator: BMI Category, Risks & Guidance

Use our overweight calculator to check BMI using WHO cutoffs...

Body Metrics & Weight

Waist to Height Ratio Calculator (WHtR) — Quick Result

Use our waist to height ratio calculator (WHtR) to screen ad...

Body Metrics & Weight

Waist to Hip Ratio Calculator (WHR) for Health Risk

Calculate WHR with our waist to hip ratio calculator. Enter ...

Body Metrics & Weight

Weight Gain Calculator for Bulking and Muscle Building

Use our weight gain calculator to set a safe calorie surplus...

Body Metrics & Weight

Weight Loss Calorie Calculator — Plan a Safe Deficit

Use our weight loss calorie calculator to estimate a safe da...

Body Metrics & Weight

Weight Loss Calculator by Date

Use our weight loss calculator by date to plan a realistic t...

Body Metrics & Weight

Weight Loss Percentage Calculator — Track Your Progress

Use our weight loss percentage calculator to compare startin...

Body Metrics & Weight

Total Tools

25

100% Private

Secure

Instant

Results

Trusted

Worldwide

Why Use Our Body Metrics & Weight Calculators?

Our body metrics & weight calculator collection offers 25 specialized tools designed for accuracy and ease of use. Each calculator is built using established medical formulas and guidelines from trusted health organizations.

Key Benefits

  • Medical-grade accuracy based on WHO and CDC guidelines
  • Instant results with detailed explanations and recommendations
  • 100% private - all calculations done locally in your browser
  • No registration or personal data required

Popular Uses

  • Adult BMI Calculator for Men & Women — WHO BMI Guide - Adult BMI calculation
  • Body Surface Area Calculator (BSA) for Medical Dosing - Multiple formulas
  • Navy Body Fat Calculator — Official U.S. Navy Tape Test - U.S. Navy circumference method
  • Body Composition Calculator — Fat, Lean Mass Breakdown - Body fat % from measurements

Whether you're a healthcare professional, patient, or health enthusiast, our body metrics & weight calculators provide the accurate, reliable tools you need for informed health decisions.

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