Fitness Strategy Planner
Choose whether to bulk, cut, recomp, or focus on weight loss using a free strategy planner based on body composition and training goals.
Open Strategy PlannerAndroid app is out
MacroCodex lets you track your TDEE, weight, calories, and macros from your phone.
Install the free MacroCodex Android app and keep your nutrition data moving with you, without paywalls or subscriptions.
Body Fat Calculator
Estimate body fat percentage with a free body fat calculator that uses tape measurements to assess body composition without advanced equipment.
Use Body Fat CalculatorIdeal Body Weight Calculator
Explore realistic target weights for different body fat and muscularity levels with a free ideal body weight calculator.
Calculate Ideal WeightBMI and FFMI Calculator
Calculate BMI and FFMI with a free calculator to estimate body composition, muscularity, and physique development.
Calculate BMI and FFMITDEE Calculator
Estimate maintenance calories with a detailed free TDEE calculator that accounts for body size, activity, and training demands.
Open TDEE CalculatorMacro Calculator and Planner
Build protein, carb, and fat targets with a free macro calculator for cutting, bulking, maintenance, and body recomposition.
Build MacrosMeal Plan Planner
Generate a free 7-day meal plan around calorie and macro targets using the Arete Codex meal plan planner.
Plan MealsWarm-Up Planner
Generate warm-up sets for squats, bench, deadlifts, and other lifts with a free warm-up planner based on working weight or 1RM.
Plan Warm-UpsHypertrophy Report
Analyze training volume, frequency, intensity, and muscle stimulus with a free hypertrophy report tool.
Analyze TrainingBeginner Workout Planner
Build a beginner hypertrophy and cardio routine with a free workout planner tailored to your schedule and experience level.
Build Workout PlanProgress Estimator
Estimate fat-loss or muscle-gain timelines with a free progress estimator based on body composition and goal rate.
Estimate ProgressEnergy Phase Selector
Choose maintenance, deficit, or surplus targets with a free energy phase selector that builds structured nutrition phases.
Choose Energy PhaseMeal Plan Validator
Check whether a meal plan aligns with calorie, macro, and distribution targets using a free meal plan validation tool.
Validate Meal PlanMuscle Explorer
Explore exercises by muscle group with a free evidence-based muscle explorer backed by EMG-informed exercise data.
Explore MusclesSteroid Planner
Model cycle design, dosing frequency, and recovery planning with a harm-reduction-oriented steroid planner.
Open Steroid Planner