Water Intake Calculator

Find out exactly how much water your body needs daily based on your weight and activity level.

kg
Daily Water Intake
Your personalised daily hydration target
Millilitres
Fluid Ounces
Cups (240ml)
Glasses (250ml)

How Much Water Should You Drink?

A general guideline is 35ml per kg of body weight per day. Active people and those in hot climates need more. Use caloriecalcfree.com for a personalised daily water target.