Health Calculators
Take control of your health with Muxtly's free online health calculators. From BMI and BMR to sleep and water intake, each tool runs entirely in your browser — nothing is uploaded, so your data stays private. Whether you're tracking your fitness journey, planning a diet, or just curious about your body metrics, these calculators give you instant, accurate results.
All Health Tools
BMI Calculator
Calculate your Body Mass Index and check your weight category.
Calorie Calculator
Calculate your daily calorie needs for weight loss, maintenance, or muscle gain.
BMR Calculator
Calculate your Basal Metabolic Rate for weight management.
TDEE Calculator
Calculate your daily calorie needs based on activity level.
Ideal Weight Calculator
Find your healthy weight range based on height and age.
Body Fat Calculator
Estimate your body fat percentage with simple measurements.
Water Intake Calculator
Calculate your recommended daily water intake.
Sleep Calculator
Find your optimal sleep and wake-up times.
Frequently Asked Questions
How accurate are these health calculators?
These calculators use standard medical formulas validated by health organizations. BMI uses the WHO classification system, BMR uses the Mifflin-St Jeor equation, and TDEE adjusts BMR based on activity multipliers. Results are screening estimates — always consult a healthcare professional for medical advice.
Is my data safe when using these tools?
Absolutely. All calculations happen locally in your browser using JavaScript. No data is ever sent to any server or stored anywhere. Your privacy is guaranteed.
Do I need to create an account?
No account, registration, or login is required. All Muxtly health tools are 100% free to use with no limits.