set workout to metric measurement

On your Apple Watch:

• Open the Workout app.
• Select Outdoor Run as the activity type
• If it is not already selected, swipe sideways to select the distance goal.
• Press firmly on the screen, then select mi or km to change the unit.
• Tap at the upper-left to return to the previous screen.
• Press the Digital Crown twice to return to the watch face.

Hi

To change the units for distance on Apple Watch:

On your iPhone, in the Health app, go to: Health Data (tab) > Activity > Walking + Running Distance > Unit > select mi or km as desired.

The change will be reflected automatically in the Activity app and Workout app on your Apple Watch.

You're welcome! 🙂