๐Ÿ’ง General Health

Daily Water Intake Calculator

Find out exactly how much water your body needs each day based on your weight, activity, and environment.

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Your Profile

Formula: 35 ml ร— body weight + activity & climate adjustments

Activity Level
Climate / Environment
Special Conditions select all that apply
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Your Daily Water Requirement

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Total Daily Volumeโ€”
In standard glasses (250 ml)โ€”
In 500 ml bottlesโ€”
Per hour (awake 16 hrs)โ€”
Includes food water (~20%)โ€”
Minimum to drinkโ€”
โ„น๏ธ Water needs vary by individual. This calculation provides a general guideline. People with kidney disease, heart failure, or other medical conditions should follow their doctor's advice on fluid intake.

๐Ÿ’ก Stay Hydrated

  • Drink a glass of water first thing every morning
  • Carry a reusable water bottle with you throughout the day
  • Eat water-rich foods: fruits, vegetables, soups
  • Urine should be pale yellow โ€” dark urine means you need more water
  • Increase intake during hot weather, exercise, and illness
  • Coffee, tea, and juices count toward fluid intake but water is best
  • Dehydration symptoms: fatigue, headache, dizziness, dark urine