BMI Calculator & Tracker

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Content rating
Everyone
50+
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Content rating
Everyone
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About this app

BMI Calculator works out your Body Mass Index (BMI) from your height and weight, and keeps a history of results on your phone.

Calculate
Set your height, date of birth and sex once, then enter your weight in metric (kg) or imperial (lb) units to calculate your BMI.
See your BMI on a gauge with its category, from severely underweight to obese class 3, using the standard adult BMI ranges.
See the healthy weight range for your height (BMI 18.5 to 24.9) and how far you are from it.
Optional Asian-Indian BMI ranges (healthy 18.0 to 22.9, overweight from 23), if you prefer them to the WHO ranges.
A reference table shows every BMI category with yours highlighted.

More estimates
Estimated daily energy needs (TDEE and EER) and resting energy (BMR, Mifflin-St Jeor) for your activity level, plus estimated body-fat percentage (Deurenberg). Each figure names its formula. Date of birth and sex are used only for these estimates, never for your BMI.

History and trends
Every calculation is saved on your device, grouped by month, with the change since your last reading.
Trend charts of your BMI or weight over 30 days, 90 days, a year, or all your readings, with your current value, change and average.
Export your history to CSV whenever you want a copy.

Settings
Metric or imperial units, light or dark theme, and WHO or Asian-Indian BMI ranges. Delete all your data from the app at any time.

About BMI
BMI is a screening measure for adults. It does not measure body fat directly and may not suit everyone, for example athletes, pregnant women, older adults and people under 18.

This app is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. Always consult a healthcare professional for medical advice, diagnosis, or treatment.

No account is needed. Your readings and profile stay on your device.
Work out your BMI, see the healthy weight range, and keep a history of results.
Updated on
Sep 28, 2026
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    App activity and App info and performance
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

BMI Calculator has been redesigned. What's new in 2.0.0:
- Fresh look, with light and dark themes
- Corrected daily energy (TDEE/EER) estimates
- Optional Asian-Indian BMI ranges alongside WHO
- BMI and weight trend charts over 30 days, 90 days, a year, or all time
- Export your history to CSV
- History grouped by month

Your existing readings carry over automatically.