Daily Water Intake

Weight

Activity Level

Exercise Duration

min

Weather Condition

Normal Weather

Hot Weather

The estimate increases with exercise and hot weather because fluid needs can be higher.

Your Recommended Water Intake

Daily Water Target

litres per day

Recommended Volume

millilitres per day

250 ml Glasses

glasses/day

Weight-Based Need

litres/day

Activity & Weather

ml added

Approx. Per Hour

ml/hour

Weight

—

Activity

—

Weather

—

Calculation

Estimate

Hydration Tips

Drink water regularly throughout the day.
Increase fluids during prolonged exercise.
Carry a reusable water bottle when possible.

This calculator provides a general hydration estimate, not medical advice. Individual water needs can vary based on health, climate, diet, exercise and other factors.