Fitness Tools & Calculators
20 professional calculators to help you track, plan, and optimize your fitness journey
BMI Calculator
Calculate your Body Mass Index
Calorie Calculator
Calculate daily calorie needs
Body Fat Calculator
Estimate your body fat percentage
Ideal Weight
Find your ideal body weight
Macro Calculator
Calculate protein, carbs, and fats
Water Intake
Daily water intake recommendation
Heart Rate Zones
Calculate training heart rate zones
One Rep Max
Estimate your 1RM for any lift
Protein Intake
Daily protein requirements
Calories Burned
Calories burned by activity
Waist-Hip Ratio
Calculate your WHR health indicator
Lean Body Mass
Calculate lean body mass
Running Pace
Calculate running pace and times
Max Heart Rate
Estimate maximum heart rate
Army Body Fat
US Army body fat calculation
BMR Calculator
Basal Metabolic Rate
FFMI Calculator
Fat-Free Mass Index
Wilks Score
Powerlifting strength comparison
Body Type
Determine your body type
Pregnancy Weight
Healthy pregnancy weight gain
Body Composition
Track and understand your body metrics
Nutrition
Plan your diet and nutrition intake
Training
Optimize your workouts and performance