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How Much Should a Bladder Hold?

The amount of urine a child's bladder should hold can be calculated by the following equation:

Bladder capacity by age

AGE + 2 = BLADDER CAPACITY (in ounces)
or
(AGE + 2)30 = BLADDER CAPACITY (in milliliters/cubic centimeters)

For example, a 5-year-old child's bladder should hold:

5 + 2 = 7 ounces
or
(5+2) 30 = 210 ml or cc's