Skin Hydration Calculator
Calculate your daily water intake and humectant needs for optimal skin hydration based on skin type and climate.
Inputs
Results
Daily Water Intake
99 oz
≈ 25 sticks of butter
How to Use This Calculator
- Enter your body weight in pounds and select your skin type (dry, normal, oily, or combination).
- Select your climate (humid, temperate, dry/arid, or cold/windy) and daily activity level.
- Input your daily caffeine servings (cups of coffee/tea) and alcohol servings, since both increase water needs.
- Review your recommended Daily Water Intake (in ounces and liters), Glasses per Day, and Recommended Humectant.
- Check the Moisturizer Applications and Skin Barrier Score, then adjust your water, caffeine, or alcohol intake to improve your barrier score.
How the result changes with Body Weight
| Body Weight | Daily Water Intake |
|---|---|
| 112 | 76 oz |
| 192 | 124 oz |
| 288 | 182 oz |
| 368 | 230 oz |
What each input means
- Body Weight
- Your body weight in pounds
- Skin Type
- Your skin type
- Climate
- Your environment
- Activity Level
- Daily physical activity level
- Daily Caffeine Servings
- Cups of coffee/tea per day
- Daily Alcohol Servings
- Alcoholic drinks per day
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersBody Weight = 150, Skin Type = 2, Climate = 2, Activity Level = 2 = 6 input(s) provided
- Calculate Daily Water IntakeDaily Water Intake99 = 99
- Calculate Daily Water IntakeDaily Water Intake2.9 = 2.9
- Calculate Glasses per DayGlasses per Day12 = 12
Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.
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