I've heard that you get the urge to empty your bladder when it's around 50% full. Different people have different bladder sizes so it will vary by person. I think the average is somewhere between 7 and 14 ounces.

As for how much water it takes to fill up your bladder, that really depends on a number of factors such as your metabolism and your body's ability to cycle water through your system and filter out the impurities for removal ...

I've heard that you get the urge to empty your bladder when it's around 50% full. Different people have different bladder sizes so it will vary by person. I think the average is somewhere between 7 and 14 ounces.

As for how much water it takes to fill up your bladder, that really depends on a number of factors such as your metabolism and your body's ability to cycle water through your system and filter out the impurities for removal as urine.