To create a new weight tracker just copy template below and paste into new note.

Those templates are editable. Update values here on the page, select everything inside yellow block, copy it and paste inside your new Apple Note.

Weight

Tracking my weight. Trying to hit my target.
date weight
2023-03-30 79.6
2023-03-01 80.5
2023-02-22 80.5
2022-10-20 78.4
2022-09-21 76.4

This is how it should look in your Apple Notes.