BMI Calculator

Calculate your Body Mass Index instantly with metric or imperial units. Get insights into your weight category and understand your health metrics. Fast, accurate, and private.

Healthy RangeBMI 18.5 - 24.9 = Normal
Example70kg / 1.75m² = BMI 22.9
Quick CheckWeight ÷ Height² = BMI

Important Notice

Do not use this tool as a definitive health indicator. Always consult your doctor before making health related decisions. All The Tools is not a healthcare provider and is not qualified to give health advice.

Calculate BMI (Imperial)

lbs
Height
ft
in
Your BMI
Enter values above

BMI Categories

Underweight
BMI < 18.5
Normal weight
BMI 18.5 - 24.9
Overweight
BMI 25 - 29.9
Obese
BMI ≥ 30

BMI is a screening tool. Consult a healthcare professional for personalized health advice.

Understanding BMI

Quick Calculation

Instantly calculate BMI from height and weight

Dual Units

Switch between metric and imperial measurements

Category Reference

View standard BMI ranges and categories

Easy Tracking

Simple tool for personal record keeping