BMI Calculator

Getting Started

👤

Create Your Profile

Set up your personal profile with custom colors and information to start tracking your BMI journey.

📱

Calculate BMI

Enter your height and weight using metric or imperial units for instant BMI calculation with visual feedback.

📈

Track Progress

View your BMI history with beautiful charts and get personalized health insights over time.

Frequently Asked Questions

How do I create a new profile?

Tap the "Create Profile" button on the main screen or go to the Profiles tab and tap the "+" button. Choose a name, color theme, and optionally add age and gender information.

Can I track multiple family members?

Yes! BMI Calculator supports unlimited profiles. Each family member can have their own profile with separate BMI history, charts, and statistics.

How do I switch between metric and imperial units?

When calculating your BMI, tap the segmented control at the top of the calculator to switch between Metric (cm/kg) and Imperial (ft/in/lbs) measurements.

What do the BMI categories mean?

Underweight: BMI less than 18.5
Normal weight: BMI 18.5-24.9
Overweight: BMI 25.0-29.9
Obese: BMI 30.0 and above

Each category includes personalized health suggestions and recommendations.

How do I export my BMI data?

Go to the Charts tab, tap the export button, and choose your preferred format (PDF or CSV). You can share your data with healthcare professionals or save it for your records.

Is my data secure and private?

Absolutely! All your BMI data is stored locally on your device using secure iOS storage. We never collect, store, or share your personal health information with third parties.

How do I delete a BMI entry?

In the Charts tab, tap on any data point or entry, then use the delete option. You can also manage entries through the profile management section.

The app isn't calculating correctly. What should I do?

Ensure you're entering valid measurements and using the correct units. BMI is calculated as weight (kg) ÷ height (m)². If problems persist, try restarting the app or contact support.

Features Overview

BMI Calculation

Instant BMI calculation with animated results
Support for both metric and imperial units
Visual BMI gauge with color-coded categories
Personalized health tips based on your BMI range

Progress Tracking

Interactive charts showing BMI trends over time
Statistical analysis (average, trends, total entries)
Time-based filtering (week, month, year, all-time)
Data export capabilities

Profile Management

Multiple user profiles for family tracking
Customizable profile colors and themes
Individual statistics and history per profile
Easy profile switching and management

Troubleshooting

App Performance Issues

If you experience slow performance or crashes:

Force close and restart the app
Restart your iOS device
Ensure you have the latest version of the app
Free up storage space on your device

Data Not Saving

If your BMI entries aren't being saved:

Make sure you have a profile selected
Check that you have sufficient device storage
Verify iOS permissions for the app
Try creating a new profile and entering data

Charts Not Displaying

If charts aren't showing your data:

Ensure you have at least 2 BMI entries
Check the selected time range filter
Try switching between different chart views
Restart the app if charts appear blank

Privacy & Data

BMI Calculator is designed with privacy as a priority:

Local Storage: All data is stored securely on your device
No Cloud Sync: Your information never leaves your device
No Analytics: We don't track your usage or collect personal data
No Ads: Clean, ad-free experience focused on your health

System Requirements

iOS 15.0 or later
iPhone 8 or newer recommended
iPad with iOS 15+ supported
10 MB of available storage space