42 professional calculators based on ACSM standards
Track daily calories, macros, and nutrition goals. Full food logging with quick-add favorites.
Estimate natural arm size potential based on wrist measurement.
Calculate Body Mass Index from height and weight.
Calculate Basal Metabolic Rate using Mifflin-St Jeor equation.
Estimate body fat using Navy method (waist/neck/height).
Calculate calories for simultaneous fat loss and muscle gain.
Determine whether to bulk or cut based on body fat percentage.
Calculate calorie deficit for weight loss goals.
Estimate calories burned during exercise using METs.
Calculate carb intake for high, medium, and low days.
Assess cardiovascular conditioning from recovery heart rate.
Calculate deload week weights based on current training.
Assess grip strength relative to body weight.
Calculate training heart rate zones based on max heart rate.
Calculate ideal body weight using Devine formula.
Calculate lean body mass from weight and body fat percentage.
Calculate daily protein, carbs, and fat based on TDEE and goals.
Calculate maximum heart rate using multiple formulas.
Calculate BMR using the Mifflin-St Jeor equation (most accurate).
Estimate natural muscle building potential based on training experience.
Calculate your one rep max from weight and reps performed.
Plan intensity across mesocycle weeks.
Calculate plates needed per side for target weight.
Calculate weight increases for progressive overload training.
Calculate daily protein requirements based on body weight and activity.
Calculate refeed day calories and macros during a cut.
Calculate weights for different rep ranges from 1RM.
Determine optimal rest periods based on training goal.
Calculate pace and finish time for running distances.
Calculate optimal wake times based on sleep cycles.
Convert steps to distance walked.
Calculate strength-to-bodyweight ratio for key lifts.
Calculate optimal supplement timing around workouts.
Calculate target heart rate for specific training intensity.
Calculate Total Daily Energy Expenditure based on activity level.
Calculate weekly training volume (sets x reps x weight).
Estimate VO2 max from resting heart rate.
Calculate waist-to-hip ratio for health risk assessment.
Calculate recommended daily water intake.
Calculate time to reach goal weight.
Calculate Wilks coefficient for powerlifting comparison.
Determine optimal training frequency per muscle group.