Only 9 inches

Its hard to tell from photos as bud weight really depends on how dense they are which always comes back to your lighting, nutrients and nutrient uptake. High AF lighting with high grade nutes along with correct pH will give you dense, strong, heavy buds.

You have limited info here, and your diary literally is all close ups of the flowers. There’s no sense of the structure of the plant for me to have any guess at that. I’ve had plants under 12” that were manifolded and scrogged that yielded several oz.. at least include some relevant pics bro