Free Fitness Calculators
Tools to optimize your training and nutrition. No signup required.
BMI Calculator
Calculate your Body Mass Index to assess if you are at a healthy weight.
TDEE Calculator
Calculate your Total Daily Energy Expenditure to know how many calories you burn.
Sleep Calculator
Optimize your sleep schedule for better recovery and athletic performance.
Body Fat Calculator
Calculate your body fat percentage using the US Navy method.
Macro Calculator
Find your optimal protein, carbs, and fat intake based on your goals.
Calorie Deficit Calculator
Calculate how many calories to eat for sustainable weight loss.
Protein Calculator
Calculate your daily protein needs based on weight and goals.
Water Intake Calculator
Calculate how much water you should drink daily for optimal health.
Ideal Weight Calculator
Find your ideal body weight using multiple scientific formulas.
1RM Calculator
Estimate your one rep max from any weight and rep combination.
Maintenance Calories
Calculate exactly how many calories you need to maintain your current weight.
Lean Bulk Calculator
Calculate optimal calorie surplus for lean muscle gains without excess fat.
Track Everything in One App
NuJourney combines these calculators with full workout, nutrition, and mental wellness tracking.
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