Daily Water Intake Calculator

Calculate your recommended daily water intake based on your body and lifestyle

Calculate Your Water Needs

Weight

Age

years

Gender

Activity Level

Sedentary (little or no exercise)

Lightly Active (light exercise 1-3 days/week)

Moderately Active (moderate exercise 3-5 days/week)

Very Active (hard exercise 6-7 days/week)

Climate

Your Daily Water Need

liters

Enter your details to calculate your daily water intake

Brain Function

Proper hydration improves concentration and cognitive performance

Physical Health

Water regulates body temperature and supports organ function

Hydration Guidelines

Activity Level	Additional Water	Recommendation
Sedentary	+0-0.5L	Standard intake based on weight
Light Activity	+0.5-1L	Add 1-2 extra glasses of water
Moderate Activity	+1-1.5L	Add 2-3 extra glasses of water
Very Active	+1.5-2L	Add 3-4 extra glasses of water

Why Hydration Matters

Staying properly hydrated is essential for maintaining optimal health and bodily functions. Water makes up about 60% of your body weight and is involved in many important processes.

Proper hydration helps with:

Regulating body temperature and maintaining blood volume
Transporting nutrients and oxygen to cells
Flushing waste products from the body
Lubricating joints and protecting organs
Improving skin health and cognitive function