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Calcimator

Sports Nutrition

Pre/post workout fuel, race day plans, protein targets, carb cycling, rehydration, electrolytes, body recomposition, cutting/bulking, and supplement dosing.

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Body Recomposition Calculator

Calculate calorie cycling for body recomposition — surplus on training days, deficit on rest days to build muscle and lose fat.

simple

Carb Cycling Calculator

Calculate high, moderate, and low carb day macros for a carb cycling diet based on your targets and training schedule.

simple

Cutting & Bulking Calculator

Calculate daily calories and macro targets for cutting, bulking, or maintenance phases based on your TDEE and body composition.

simple

Electrolyte Replacement Calculator

Calculate sodium, potassium, and magnesium needs during exercise based on sweat rate, duration, and climate.

simple

Post-Workout Recovery Calculator

Calculate optimal post-workout protein, carbs, leucine, and fluid intake for recovery based on your workout.

simple

Pre-Workout Nutrition Calculator

Calculate optimal pre-workout meal composition and timing based on body weight, intensity, and time before exercise.

simple

Protein Intake Calculator

Calculate your optimal daily protein target based on body weight, activity level, goals, and body composition.

simple

Race Day Nutrition Calculator

Plan your race fueling strategy — carbs per hour, fluid, gels, and sodium based on distance, pace, and sweat rate.

simple

Rehydration Calculator

Calculate sweat loss, sweat rate, and rehydration needs based on pre/post exercise weight and fluid intake.

simple

Supplement Dosing Calculator

Calculate evidence-based dosing for creatine, caffeine, beta-alanine, and citrulline based on body weight and phase.

simple