anywhere from 1000 to 1500 milliliters
Lots....until it explodes....heehee
6.5 Quarts
Usually about 500mL, but the capacity varies from person to person: it can be as low as 300mL or as high as 1L.
Your bladder can hold up to 16 ounces (2 cups) of urine comfortably for 2 to 5 hours