TDEE Calculator
Use our free TDEE calculator to determine your Total Daily Energy Expenditure. Find your maintenance calories to effectively manage your weight loss, gain, or fitness goals.
Fitness & Health Calculators
Fat Intake Calculator
Use our free fat intake calculator to determine your optimal daily fat consumption based on your weight, activity level, and health goals for balanced nutrition.
Protein Calculator
Use our free protein calculator to determine your optimal daily protein intake based on your weight, activity level, and specific fitness goals like muscle building or weight loss.
One Rep Max Calculator
Estimate your maximum strength with our scientific one rep max calculator. Perfect for strength training programming without risky max attempts.
Calories Burned Calculator
Use our accurate calories burned calculator to estimate energy expenditure during various activities. Calculate based on duration or distance with MET values.
Healthy Weight Calculator
Calculate your healthy weight range using our BMI-based calculator. Instant results for adults based on height. Professional health guidance tool.
Lean Body Mass Calculator
Use our Lean Body Mass Calculator to estimate your muscle mass using multiple scientific formulas. Compare results from Boer, James, and Hume methods for accurate body composition analysis.
Carbohydrate Calculator
Use our carbohydrate calculator to determine your optimal daily carb intake based on your personal metrics and activity level. Get personalized recommendations for your diet.
Due Date Calculator
Use our due date calculator to estimate your baby’s arrival date based on last menstrual period, conception date, IVF transfer, or ultrasound measurements. Essential tool for pregnancy planning.
Pregnancy Conception Calculator
Estimate your conception date using due date, last period, or ultrasound data. Our pregnancy calculator helps determine when you likely conceived and your fertility window.