To reassign a measurement to the correct user, perform the following steps:

1. Navigate to the Web Dashboard.
2. Click on the Weight widget.
3. Click on the weight measurement you want to reassign.
4. Click on the three dots at the top right corner of the page.
   
5. Click on Reassign.
6. Select the user of your choice.

Note: It is only possible to reassign a measurement to another user that is on the same Withings account.