BMI Calculator Body Mass Index

Know your BMI in seconds — and watch it improve.

BMI Calculator is the simplest way to check your Body Mass Index, understand what
the number really means, and track your progress over time. Enter your height and
weight, tap Calculate, and get an instant BMI score with your category and the
healthy weight range for your height.

No sign-up. No clutter. Just fast, accurate results.

⭐ WHY PEOPLE LOVE IT
• Instant BMI in one tap — no account, no setup
• Metric and imperial: cm, feet & inches, kg, pounds, stones
• Clear result with your category and healthy weight range
• Progress chart that shows your whole weight journey
• Light and dark theme, 25+ languages

📊 KEY FEATURES

Accurate BMI Calculator
Calculate your Body Mass Index from height and weight in seconds. Choose the
standard BMI formula used by doctors worldwide, or the New BMI formula, which
scales more accurately with height.

Any Unit You Prefer
Centimetres, feet, inches, or feet & inches for height. Kilograms, pounds, stones,
or stones & pounds for weight. Switch anytime — made for US, UK and metric users.

Your Category, Explained
See exactly where you land on the BMI scale: underweight, healthy weight,
pre-obesity, or obesity class I, II and III — with a plain-English explanation of
what that means for your health.

Healthy Weight Range
Find the ideal weight range for your height, so you always know what to aim for.

BMI History & Progress Chart
Every result is saved automatically. Review your journey in a colourful bar chart
or a day-by-day log, filter to show only the last BMI of each day, and tap any
entry for full details.

Share Your Result
Send your BMI to a friend, a personal trainer or your doctor in one tap.

Learn About BMI
A built-in guide explains how BMI works, what each range means, and where the
formula comes from.

💪 PERFECT FOR
• Starting a weight loss or weight gain plan
• Gym, fitness and diet tracking
• Watching your health between doctor visits
• The whole family — calculate for everyone in seconds

🚀 HOW IT WORKS
1. Enter your height and weight
2. Tap Calculate BMI
3. See your score, category and healthy weight range — saved to your history

👑 GO PRO
Remove all ads and unlock your full BMI history so you never lose a measurement.

⚠️ DISCLAIMER
BMI is a general screening tool, not a medical diagnosis. It does not account for
muscle mass, body composition, age or pregnancy. Always talk to a doctor or
dietitian before making decisions about your health.

Questions or feedback? Open Preferences → Customer Support. We read every message.

Download BMI Calculator today and take the first step toward a healthier weight.