Free BMI Calculator and Health Calculators

Calculate your BMI, healthy weight, body fat, calories, and more — quickly and for free.

Calculate your Body Mass Index (BMI) in seconds and explore simple health calculators for weight, body fat, calories, and more. Free to use with instant results.

**Alt text:** > BMI calculator showing a normal BMI of 22.5, with a fitness woman, weighing scale, measuring tape, apple, dumbbells, water bottle, and green plant on a light blue background.
BMI calculator icon for checking body mass index and healthy weight.

BMI Calculator

Calculate your BMI and find
your BMI category.

Asian BMI calculator icon for calculating body mass index using Asian health standards.

Asian BMI Calculator

BMI Calculator for the Asian

population standards.

Army Body Fat BMI calculator icon for estimating body fat percentage using military standards.

Army Waist -Height Ratio Calculator

Calculate your waist – height ratio

and check the army standard.

Calorie calculator icon for estimating daily calorie needs and energy intake.

Calorie Calculator

Calculate your daily calorie intake

your body needs

Child and Teen BMI calculator icon for measuring body mass index in children and teenagers aged 2 to 18 years.

Child and Teen BMI Calculator

BMI Percentile Calculator for

Teens and Children (Age 2-18)

Pregnancy BMI calculator icon for estimating healthy body mass index during pregnancy.

Pregnancy BMI Calculator

Track your healthy weight

gain during pregnancy.

Navy BMI calculator icon for estimating body mass index and body fat using U.S. Navy standards.

Navy BMI Calculator

Calculate your Body Fat percentage

using Navy standards.

Reverse BMI calculator icon for estimating the ideal weight needed to reach your target BMI.

Reverse BMI Calculator

Calculate your body fat percentage

using Navy standards.

food 1

Food- Energy Nutrition Calculator

Calculate your proteins, carbs, fat

vitamins and minerals in food.

We provide a collection of simple, practical, and easy-to-use health and fitness calculators designed to help you better understand your body and make informed health decisions. You can calculate your BMI, check Asian BMI standards, estimate body fat using Army and Navy standards, calculate your waist-to-height ratio, track pregnancy weight gain, check BMI percentiles for children and teens, find a healthy target weight with the Reverse BMI Calculator, and estimate your daily calorie needs. We also offer a Food, Energy and Nutrition Calculator to help you understand the nutritional value of different foods. All our calculators are designed with clear results and user-friendly tools so you can quickly get useful health information in one place.