Water Intake Calculator
Worked example result
| Water per day | 3.15 litres |
| Water per day | 3,150 ml |
| Glasses (250 ml) | 12.6 |
A 70 kg person who exercises for 60 minutes needs about 3,150 ml — 3.15 litres, or roughly 12–13 glasses — per day.
Water (ml) = weight (kg) × 35 + 350 ml per 30 min of exercise · Powered by CalcHub — Water Intake Calculator