How much weight will I gain lifting weights?

I've heard one can gain about 9lbs (4kg) of weight through "intense" weight training. Does anyone have more specific numbers like this. Ideally, I'm looking for something like: "Increasing your max bench press weight from 150 to 200 will add _______ pounds to your weight." Thanks... show more I've heard one can gain about 9lbs (4kg) of weight through "intense" weight training. Does anyone have more specific numbers like this.

Ideally, I'm looking for something like:
"Increasing your max bench press weight from 150 to 200 will add _______ pounds to your weight."

Thanks everyone.
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