Daily Water Intake Calculator for Men Your weight: Weight unit: Kilograms Pounds Activity level: Sedentary (little or no exercise) Lightly active (1-3 days/week) Moderately active (3-5 days/week) Very active (6-7 days/week) Extra active (physical job + exercise) Your Recommended Daily Water Intake 0 ml (0 oz) That’s about 0 water bottles (500ml) per day