what percent  of my body is fluid
The percentage of water varies according to your age and gender. Here's a look at how much water is inside you. Answer: The amount of water in the human body ranges from 50-75%. The average adult human body is 50-65% water, averaging around 57-60%. The percentage of water in infants is much higher, typically around 75-78% water, dropping to 65% by one year of age. Body composition varies according to gender and fitness level, because fatty tissue contains less water than lean tissue.