Water intake is calculated based on the following factors:

• Body weight
• Activity level
• Climate conditions

Multipliers based on activity level:

• Low Activity: 30ml/kg
• Moderate Activity: 35ml/kg
• High Activity: 40ml/kg
• Athlete: 45ml/kg

Multipliers based on climate conditions:

• Cold Climate: ×0.8
• Mild Climate: ×1.0
• Hot Climate: ×1.2