Health & Fitness Calculators
Free online calculators for body metrics, nutrition planning, fitness tracking, and more. No signup required.
📊 Body & Weight
BMI Calculator
Calculate your Body Mass Index and find your healthy weight range.
Body Fat Calculator
Estimate your body fat percentage using body measurements.
Ideal Weight Calculator
Find your ideal body weight based on height and frame size.
Lean Body Mass Calculator
Calculate your lean body mass (fat-free mass).
FFMI Calculator
Calculate your Fat-Free Mass Index for muscle assessment.
Waist-to-Hip Ratio
Calculate WHR to assess health risks from body fat distribution.
Waist-to-Height Ratio
Simple health indicator using waist and height measurements.
Healthy Weight Range
Find your healthy weight range based on BMI guidelines.
🍎 Nutrition & Calories
BMR Calculator
Calculate your Basal Metabolic Rate - calories burned at rest.
TDEE Calculator
Find your Total Daily Energy Expenditure for weight management.
Calorie Needs Calculator
Calculate daily calories for weight loss, maintenance, or gain.
Macro Calculator
Calculate your daily protein, carbs, and fat targets.
Protein Intake Calculator
Find your optimal daily protein intake for your goals.
Carb Intake Calculator
Calculate recommended daily carbohydrate intake.
Fat Intake Calculator
Calculate healthy daily fat intake for your diet.
Water Intake Calculator
Find your optimal daily water intake for proper hydration.
🏃 Fitness & Exercise
Calories Burned Calculator
Calculate calories burned during various activities and exercises.
One Rep Max Calculator
Estimate your 1RM for strength training programming.
Pace Calculator
Calculate running pace, speed, distance, and time.
Steps to Calories
Convert daily steps into calories burned.
Steps to Distance
Convert steps walked into distance (miles/km).
VO2 Max Calculator
Estimate your maximum oxygen uptake for fitness level.