Water Intake Calculator
Calculate your recommended daily water intake based on weight, activity level, and climate.
2026 Tax YearData stays on your deviceUpdated Apr 1, 2026
Daily Water Intake
2.7 L
11 glasses (250 ml each)
In Millilitres
2660 ml
Total daily target
Glasses per Day
11
250 ml glasses
Per Hour (16h awake)
166 ml
Spread evenly
Per Meal (3 meals)
887 ml
Approximate per meal
Frequently Asked Questions
How much water should I drink per day?
A general guideline is about 33ml per kilogram of body weight. Active individuals and those in hot climates need more. The Institute of Medicine suggests about 3.7L for men and 2.7L for women total (including food sources).
Does coffee count toward water intake?
Yes, caffeinated beverages do contribute to hydration. However, water is the best choice. Coffee and tea have mild diuretic effects but still provide a net positive hydration.
How do I know if I am drinking enough water?
Check your urine colour. Pale yellow indicates good hydration. Dark yellow or amber means you likely need more water. Thirst is also a reliable indicator for most people.
Official Data Sources
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Built and reviewed by Konstantin Iakovlev · Data from CRA, CMHC, Bank of Canada · MethodologyDisclaimer: This calculator provides estimates based on publicly available data from CRA and other government sources. It does not constitute financial advice. Consult a qualified advisor for decisions about your specific situation.
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