How to Export Weight Data from Apple Health

In short

To export weight data from Apple Health, download HealthSave free, grant access, then export from the Export tab as CSV, JSON, or PDF. Body weight in Apple Health comes from manual entries or smart scales like Withings, Eufy, and Renpho, and it also stores body-fat percentage and BMI when recorded, so your export can include the full body-composition picture.

Updated March 23, 2026

In this article

What is Weight Data?
How to Export Weight Data
Why Export This Data?
Related Metrics

What is Weight Data?

Body weight data in Apple Health comes from manual entries, smart scales (Withings, Eufy, Renpho), or other apps. Apple Health also stores body fat percentage and BMI if recorded.

How to Export Weight Data with HealthSave

1. Download HealthSave

Get HealthSave from the App Store, it's free. No account or sign-up needed.

2. Grant Apple Health Access

When you open HealthSave, grant access to the relevant health metrics in Apple Health. Make sure Weight Data is enabled.

3. View on Dashboard

Your latest data appears on the HealthSave dashboard. With Pro, you can track 7/30/90-day trends.

4. Export to CSV, JSON, or PDF

Go to the Export tab, select Weight Data, choose your date range and format:

CSV, opens in Excel, Google Sheets, Apple Numbers
JSON, structured data for developers and APIs
PDF, formatted report to share with your doctor (Pro)

Why Export This Data?

Track weight trends over months in Excel or Google Sheets. Share weight history with your doctor or nutritionist. Correlate weight changes with activity and sleep patterns.

HealthSave can also export body fat percentage, active calories, workout data and other core Apple Health metrics. See the full feature list or check supported devices.