how much does the bladder usually hold
A healthy adult bladder can hold nearly 2 cups of urine comfortably. A healthy adult bladder can hold up to 16 ounces (2 cups) of urine comfortably, according to the National Institutes of Health. How frequently it fills depends on how much excess water your body is trying to get rid of. Circular muscles called sphincters close tightly to keep urine from leaking.