Health & Fitness Calculators
General wellness, fitness and body measurement calculators.
BMI Calculator
Calculate body mass index from height and weight. BMI is a screening measure, not a diagnosis.
Calculate Now → 🧮BMR Calculator
Estimate basal metabolic rate using the Mifflin-St Jeor equation.
Calculate Now → 🧮Ideal Weight Calculator
Estimate a reference weight range using a simple BMI-based height calculation.
Calculate Now → 🧮Waist-to-Height Ratio Calculator
Calculate waist-to-height ratio using consistent units.
Calculate Now → 🧮Daily Water Intake Estimator
Estimate a simple daily water-intake starting point from body weight.
Calculate Now → 🧮Calorie Deficit Calculator
Estimate a daily calorie target from maintenance calories and a selected deficit.
Calculate Now → 🧮Body Fat Percentage Estimator
Estimate body fat percentage using a user-entered fat mass and body weight.
Calculate Now → 🧮Calorie Burn Rate Calculator
Estimate calories burned per minute and over an activity session.
Calculate Now → 🧮Daily Protein Intake Calculator
Estimate a daily protein target from body weight and a selected intake factor.
Calculate Now → 🧮Target Heart Rate Calculator
Estimate maximum and target heart-rate zone using age and intensity.
Calculate Now → 🧮Running Pace Converter
Convert running speed in kilometres per hour into minutes per kilometre.
Calculate Now → 🧮Workout Hydration Rate Calculator
Calculate average fluid intake per hour during a workout.
Calculate Now → 🧮BMI (Imperial)
Estimate body mass index from pounds and inches.
Calculate Now → 🧮Waist-to-Height Ratio
Calculate waist circumference divided by height in matching units.
Calculate Now → 🧮Running Speed
Calculate average running speed from distance and duration.
Calculate Now → 🧮Cycling Average Speed
Calculate average cycling speed from distance and time.
Calculate Now →