Hydration Calculator
Follow 3 easy steps to see whether you are drinking enough water. The calculator will work out your hydration level based on the information you give about yourself and your daily drinking habits.
Tell us about you
Gender
Gender
Every day the kidneys process around 180 litres of blood and produce about 1-1.5 litres of urine.
Age
Age
As you get older, your sensation of thirst is reduced so you might not drink as much fluid as you need.
Weight
Weight
60% of our body is water. For a person weighing 70kg, that means 42 kg or 42 litres!
Height
Height
Your blood is composed of 83% of water.
Tell us about you
Physical Activity
Physical Activity
"Maintaining good hydration ensures optimal cognitive performance.
Country
Country
Physical exertion, hot/humid weather, central heating and high altitude can all increase water loss.
Daily Liquid Intake
How many glasses do you consume?
How many glasses do you consume?
Water is the only naturally occurring zero-calorie drink.
Results
Find out more
Hints and Tips
Your Hydration Status
“You already seem to be taking in enough liquid every day.”
“Careful – it looks like you need to drink more than you thought!”
Your Daily Calorie Intake from Liquids
Your daily calorie intake from liquids is within World Health Organisation guidelines.
Your liquid calory intake is (( (sugarIntake - sugarMax) * 4 )) Kcals above the recommended level.
Water in your body
Water in your body
Information text when clicking the info button in the "Water in your body" card.
