Body Water Calculator
Estimate your total body water percentage based on age, weight, height and gender
Real-time Results
Total amount of water in your body
Percentage of your weight that is water
Suggested daily water consumption
Healthy body water percentage range for your demographic
Hydration Status
Assessment of your hydration level
Body Water Percentage vs Normal Average
Comparison of your result with demographic average
Disclaimer
The data provided by this health calculator is for reference only and cannot replace professional medical diagnosis, consultation, or treatment. Please consult a doctor before making any changes to your fitness or diet plan.
Supported inputs
| Input | Description |
|---|---|
| Gender | Select your biological gender Male · Female |
| Age (years) | Enter your current age |
| Weight | Enter your weight |
| Weight Unit | Unit of weight measurement Kilograms (kg) · Pounds (lb) |
| Height (cm) | Enter your height |
| Calculation Method | Method to estimate total body water Watson Formula · Hume-Weyers Formula · Lee-Nieman Formula |
| Activity Level | Your typical activity level Sedentary (little or no exercise) · Lightly active (light exercise 1-3 days/week) · Moderately active (moderate exercise 3-5 days/week) · Active (hard exercise 6-7 days/week) · Very active (very hard exercise, physical job) |
Formula
Watson Formula: - Male TBW = 2.447 - (0.09156 × Age) + (0.1074 × Height in cm) + (0.3362 × Weight in kg) - Female TBW = -2.097 + (0.1069 × Height in cm) + (0.2466 × Weight in kg) Hume-Weyers Formula: - Male TBW = (0.194786 × Height) + (0.296785 × Weight) - 14.012934 - Female TBW = (0.344547 × Height) + (0.183809 × Weight) - 35.270121 Lee-Nieman Formula: - Male TBW = Weight × 0.60 - Female TBW = Weight × 0.50 (TBW is adjusted lower by 5% for individuals over 60 years old)
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