Free Health Calculator - BMI, Body Fat, BRI & Calories

Calculate BMI, body fat percentage, BRI, and daily calorie needs. Get accurate measurements and personalized health insights.

BMI Calculator

Calculate and analyze your Body Mass Index using WHO and Asian standards

Body Fat Calculator

Accurately estimate your body fat percentage using multiple scientific methods

BRI Calculator

Assess central obesity risk and calculate Body Roundness Index

Calorie Calculator

Calculate daily calorie needs and get personalized nutrition advice

Scientific Methods

Our calculators employ scientifically validated methodologies and formulas recognized by leading health organizations:

  • BMI calculations follow WHO and Asian-specific standards
  • Body fat percentage estimations use Navy, YMCA, and Jackson-Pollock methods
  • BRI calculations incorporate modern body shape assessment techniques
  • Calorie needs are calculated using Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle formulas

Privacy & Security

We prioritize your privacy and data security:

  • All calculations are performed locally in your browser
  • No personal data is stored or transmitted
  • No cookies or tracking tools are used
  • Secure, encrypted connections for all interactions