Well it all depends what bathtub you talking about. Japanese soaking tubs can hold the most compared to your regular bathtubs, it holds about 120 to 230 gallons! Your regular bathtubs can hold anything from 50 to 80 gallons. It's quite hard to determine the exact figure here as bathtubs these days … Read more

Nice question! LOL Well if you doing the hanky panky in one of these sweet japanese bathtubs without protection.....then chances are you will fall prego's haha