About 2 cups.
A healthy bladder can hold up to 16 ounces (2 cups) of urine...
500ml
The adult human bladder can hold about one pint, plus or minus about four ounces.
the bladder looks like a pear and can hold 300ml to 1000ml of urine
500 ml
The human bladder is roughly the size and shape of a pear when empty, measuring approximately 12 centimeters in length and 6 centimeters in diameter. When full, it can expand to hold around 400-600 milliliters of urine before signaling the need to urinate.
The majority of sources report that the adult bladder could contain about 600 to 800 cm3 (ml). However, they also noted that the Micturition point is between 150 and 300 cm3 (ml). It is rather variable.
2 cups / 16oz. 2 cups / 16oz.
The bladder explosion occurs if you hold your urine for more than 7 hours because the urine overfills the bladder. It's like a balloon that gets too much air. The longer you hold, the higher the risk of bladder explosion will be.
The average sized adult bladder can hold approx. 12 onces (350ml) of fluid before the urge to urinate becomes strong.
On average, the human bladder can hold around 16-24 ounces of fluid, which is typically more than the volume of a juice box. A juice box typically holds around 6-8 ounces of liquid.
if a normal human bladder should hold 8 to 8.5 ml of fluid and you are told yours only holds 3 to 3.5 ml then to me that is very small