Health & Fitness Calculators
Clinically validated formulas for BMI, daily energy expenditure (TDEE), metabolic rate, macronutrients, and pregnancy milestones.
BMI Calculator (Metric & Imperial)
Calculate Body Mass Index based on WHO standards for adults, with instant metric (kg/cm) and imperial (lbs/ft-in) support.
TDEE (Total Daily Energy Expenditure) Calculator
Discover your maintenance calories, cutting target, and bulking calorie thresholds using the Mifflin-St Jeor equation.
BMR (Basal Metabolic Rate) Calculator
Compute the minimum calories your body consumes at complete rest using the validated Mifflin-St Jeor formula.
Body Fat Percentage Calculator (US Navy Method)
Estimate your body fat percentage and lean muscle mass using tape measurements according to the US Navy protocol.
Ideal Body Weight (IBW) Calculator
Compare ideal weight formulas (Devine, Robinson, Miller, and Hamwi equations) suited to your biological height and frame.
Macronutrient Split & Diet Calculator
Break down your daily target calories into grams of protein, carbohydrates, and healthy dietary fats based on your fitness goal.
Pregnancy Due Date Calculator (Naegele Rule)
Estimate your estimated date of delivery (EDD), current gestational week, and developmental trimester milestones.
Daily Water Intake Calculator
Calculate optimal daily hydration in liters and ounces based on body mass, climate humidity, and activity intensity.