Understand your body better.
Use our suite of free health calculators to get insights into your BMI, ideal weight, calorie needs, and more. Data-driven tools for your wellness journey.
Ideal weight calculator
Estimate ideal weight and a BMI-based range from height and sex.
BMI calculator
Calculate body mass index from your height and weight.
Intermittent fasting calculator
Turn a fasting duration into a practical eating schedule.
Calorie deficit calculator
Estimate maintenance and target calories for a chosen deficit.
Weight loss calculator
Estimate daily calories and weekly loss for a goal weight and date.
Body fat percentage calculator
Estimate body-fat percentage from body measurements.
Body shape calculator
Estimate body shape from waist, hip, and bust measurements.
Hydration calculator
Estimate a daily water-intake target from your routine.
Fat intake calculator
Estimate a daily dietary-fat range from body inputs, activity, and goal.
Why use these health calculators?
Knowledge is power when it comes to your health. Our calculators provide personalized estimates based on your unique body metrics, helping you set realistic goals and track your progress effectively.
Planning & Goals
Whether you want to lose weight, build muscle, or maintain your current physique, knowing your numbers (like TDEE and BMI) is the first step to creating a sustainable plan.
Health Monitoring
Tools like the Waist-to-Hip ratio (via Body Shape) or Body Fat percentage can offer better insights into your metabolic health than weight alone.
What you can measure
- Daily calorie needs for weight loss
- Optimal fat intake grams
- Ideal weight range for your frame
- Hydration requirements
- Body Mass Index (BMI)
- Body fat percentage estimates