BMI CalculatorKnow your number. Understand your range.
Your BMI in an instant, on a clear colour-coded gauge.
Enter your height and weight to see your BMI, your category, your healthy weight range and how far you are from it. No account needed.
- Category
- Health & Fitness
- Price
- Free
- Standards
- WHO or DGE
- Account
- Not needed
What's inside.
Everything BMI Calculator does, without the clutter.
A gauge you can read
See your BMI on a semicircular gauge with detailed, colour-coded categories.
- Real-time results
- Colour-coded categories
Your healthy range
See your estimated normal-weight range and roughly how far you are from it.
- Normal-weight range
- Weight-difference guidance
Any units you like
Use metric, imperial or stones. Values convert automatically when you switch.
- Kilograms & centimetres
- Pounds, feet & inches
- Stones
WHO or DGE
Choose the classification standard you prefer and check the reference tables.
- WHO classification
- DGE classification
- Reference tables
In your language
Pick from multiple languages. Your preferences are saved on your device.
- Multiple languages
- Preferences saved locally
No account, ever
A clean, accessible interface with nothing to sign up for.
- No registration
- Accessible design
Take a look.
Check your number.
Move the sliders to see your BMI and healthy weight range. The app adds imperial and stone units, age and gender inputs, and the DGE standard.
For general information only. Not medical advice.
| Category | BMI |
|---|---|
| Very severely underweight | < 16.0 |
| Severely underweight | 16.0 – 16.9 |
| Underweight | 17.0 – 18.4 |
| Normal weight | 18.5 – 24.9 |
| Overweight | 25.0 – 29.9 |
| Obesity class I | 30.0 – 34.9 |
| Obesity class II | 35.0 – 39.9 |
| Obesity class III | ≥ 40.0 |
| Category | BMI |
|---|---|
| Underweight | < 18.5 |
| Normal weight | 18.5 – 24.9 |
| Overweight | 25.0 – 29.9 |
| Obesity class I | 30.0 – 34.9 |
| Obesity class II | 35.0 – 39.9 |
| Obesity class III | ≥ 40.0 |
Your data stays yours.
How BMI Calculator handles your information, in plain words.
Stays on your phone
Your inputs and preferences are stored locally on your device.
No account
There's nothing to sign up for.
Nothing uploaded
Your height, weight, age, gender or BMI result is not uploaded to Qunovix Technologies.
Do I need an account?
No. BMI Calculator works without any account or registration.
What's the difference between WHO and DGE?
They use the same ranges from normal weight upward. WHO splits underweight into three levels, while DGE uses a single underweight category below 18.5.
Which units can I use?
Kilograms and centimetres, pounds with feet and inches, or stones. Values convert automatically when you switch.
Is BMI right for everyone?
BMI is a general screening measurement based on height and weight. Standard adult categories may not suit children, adolescents, pregnant people, older adults, athletes, or people with certain medical conditions or body compositions.
Is my information uploaded?
No. Your inputs and preferences are stored on your device and are not uploaded to Qunovix Technologies.
Please note: BMI does not directly measure body fat, muscle mass, bone density, fitness, nutrition or overall health. BMI Calculator is not a medical device and does not provide medical advice, diagnosis, monitoring or treatment. Always consult a qualified healthcare professional before making decisions about your health. References to WHO and DGE classification standards do not imply sponsorship, certification or endorsement by those organisations.
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