Enter your age for a personalized calculation.
STEP 01
Your profile.
70 kg
30200
30 yrs
5100
Gender
Activity Level
Climate / Temperature
30 min/day
0180
💧
Enter your details
Your personalized hydration result will appear here.
Water needs by age group.
| Age Group | Daily Range (mL) | Cups | Notes |
|---|---|---|---|
| Children (4–8) | 1,200–1,600 | 5–7 | Higher relative to body weight due to active play |
| Children (9–13) | 1,600–2,100 | 7–9 | Growth spurts increase metabolic needs |
| Teens (14–18) | 1,800–2,600 | 8–11 | Highly variable based on activity |
| Adults (19–54) | 2,000–3,700 | 8–16 | Wide range based on sex and activity |
| Adults (55–64) | 1,900–3,500 | 8–15 | Slight decrease from peak adult needs |
| Seniors (65+) | 1,600–3,000 | 7–13 | Reduced thirst sensation — set reminders |