Free fitness calculators & tools
Calculate your protein needs, calorie needs (TDEE), calorie burn by activity, ideal weight, water intake and your one-rep max. All calculators are based on peer-reviewed formulas and ready to use — no signup required.
Choose one of the following tools.
Protein requirement
Calculate your protein requirement and test with foods whether you can cover it.
Body data & ideal weight
Record body measurements, calculate BMI, Devine, RFM and more, and save everything as a file or PDF.
Calorie needs
Determine your basal metabolic rate (BMR) and daily calorie consumption (TDEE).
Calorie consumption
Estimate calorie expenditure for different activities.
Water requirement
Determine how much water you should drink daily.
Weight & repetitions
Calculate your 1RM and use a table for optimal weights and repetitions.
Training planner
Plan your training for the week, with local saving, export, and a week view.
Meal planner
Plan a week with recipes and foods, see daily and weekly nutrition at a glance.