How to use the Water Intake Calculator
- Enter your weight.
- Enter your daily exercise in minutes.
- Choose normal or hot weather and read the suggested daily water.
How it's calculated
Show the formula
Water ≈ 0.033 L × kg + 0.35 L per 30 minutes of exercise + 0.5 L in hot weather
A general guide only. Needs change with health conditions, so follow your doctor's advice.
Worked example
These are the example numbers the calculator opens with. Change any of them above to see your own result.
You enter
| Weight | 72 kg |
|---|---|
| Exercise | 30 min |
| Climate | Normal |
You get
| Water per day | 2.7 litres |
|---|---|
| Glasses (250 ml) | 11 |
Tips
- Drink more in Pakistani summers and during exercise.
- Pale yellow urine is a simple sign you are drinking enough.
Frequently asked questions
Does tea count towards water?
Most drinks and watery foods add to your intake, but plain water is the best choice.
Can I drink too much water?
It is possible but rare. People with kidney or heart conditions should follow their doctor's advice.