Blue2Scale
Web Bluetooth · No App Required

Track 39 Body Composition Metrics from Your Bluetooth Scale

Connect your BLE body composition scale, see real-time results, and track your health journey with detailed analytics and trends.

Everything you need to understand your body

From raw BLE impedance data to actionable health insights, all processed locally in your browser.

Wireless BLE Connection

Connect directly from your browser via Web Bluetooth. No app install needed.

39 Body Metrics

From body fat and lean mass to segmental analysis and metabolic age.

Trend Visualization

Interactive charts track your progress over time with smart date ranges.

Export Anywhere

CSV, JSON, PDF reports, and Garmin-compatible FIT/TCX formats.

Privacy First

Your data stays yours. Self-hosted, no third-party analytics, full deletion.

Instant Results

Real-time weight display and body composition calculated in seconds.

39 metrics. One measurement.

Step on your scale once and get a complete picture: body fat, lean mass, hydration, bone density, segmental muscle and fat distribution, metabolic rate, visceral fat, and more.

24Core Metrics
15Segmental Values
5Body Segments
7Metric Categories
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Weight
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BMI
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Body Fat %
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Fat Mass
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Lean Mass
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Muscle
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Body Water
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ECW
--
ICW
--
Bone
--
Visceral
--
BMR
--
Met. Age
--
A/G Ratio
--
Subcut Fat

Web Bluetooth Required

Blue2Scale uses the Web Bluetooth API to communicate with your scale. Use Google Chrome or Microsoft Edge on desktop or Android. Safari and Firefox are not supported.

Chrome / Edge / Opera

Ready to start tracking?

Create a free account or try as a guest. No credit card required.