I same answer I got when I asked for an estimate on yield, "it's hard to get a good perspective of how big the plant actually is from a photo." That's very understandable. Plant looks good though, good job.
I'm with Lilroach, doesn't look like it will be over two O's dry.
It looks Really Healthy, it could swell up some.
you still have time check your Trichomes with a 30x loupe.