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Hydration Calculator

CamelBak helps you determine your ideal level of hydration

How much water should you drink?
Determine how much water you need for maximum performance.

Tell us about yourself

Gender

Height Icon
Height combined with Weight provides us with your Body Mass Index or BMI. BMI is used in our calculation to factor in the surface area of your skin. The more surface area you have the greater amount of sweat you produce. Formula: weight / [height]2

+ -

Weight Icon
Height combined with Weight provides us with your Body Mass Index or BMI. BMI is used in our calculation to factor in the surface area of your skin. The more surface area you have the greater amount of sweat you produce. Formula: weight / [height]2

122 lbs

Age Icon
Interestingly, age does affect how the human body uses water. For example, as people age, their kidney is not able to conserve water as well. Also, their thirst sensation tends to lessen, making them more susceptible to dehydration.

18 yrs

What is your current hydration level?

What color is your urine?

How much do you typically sweat?

Light Moderate Heavy

Describe your activity

Describe your activity

Time

Intensity

Low Medium Hard Intense

What are the weather conditions?

Weather

Temperature

F C
0° 10° 20° 30° 40° 50° 60° 70° 80° 90° 100° 110°
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