Caffeine Half-Life Calculator: Track Your Caffeine Levels & Sleep Impact 2024 ☕ Caffeine Half-Life Calculator Advanced caffeine metabolism tracker with realistic 60-minute absorption modeling ℹ️ Advanced Absorption Model: This calculator uses realistic 60-minute caffeine absorption phases and personalized half-life calculations to provide accurate caffeine level predictions and sleep impact analysis. 🧬 Your Caffeine Half-Life (hours) … Read more
Barbell to Dumbbell Weight Converter Convert barbell weights to equivalent dumbbell loads with scientifically-backed conversion ratios for optimal strength training 🏋️ Exercise-Specific Conversion: This calculator uses biomechanically-validated conversion ratios that account for stabilization demands, bilateral coordination differences, and muscle activation patterns between barbell and dumbbell exercises. 💪 Exercise Type Select ExerciseBench Press / Chest PressBent-Over … Read more
RMR Calculator – Resting Metabolic Rate Calculate your Resting Metabolic Rate (RMR) and Total Daily Energy Expenditure (TDEE) using multiple scientifically validated equations ℹ️ Multiple Equations: This calculator uses Mifflin-St Jeor (most accurate), Harris-Benedict (classic), and lean body mass equations to provide comprehensive metabolic rate analysis with superior accuracy across diverse populations. 👤 Gender Select … Read more
Powerlifting Weight Converter Professional kg to lbs conversion with plate breakdown, 1RM percentages, and competition standards 🏋️ Powerlifting Precision: Accurate weight conversion with plate loading calculator, 1RM percentages, and competition standards for IPF, USAPL, and other federations worldwide. ⚖️ Weight to Convert KG LBS Enter any weight to see instant conversion 🏋️ Lift Type (Optional) … Read more
Carbohydrate Intake Calculator & Meal Plan Calculate your daily carbohydrate needs with scientific precision Metric (kg/cm) Imperial (lbs/ft) Age Gender MaleFemale Weight (kg) Height (cm) Weight (lbs) Height (ft) Height (inches) Activity Level ▼ Sedentary Little or no exercise, desk job Lightly Active Light exercise 1-3 days/week Moderately Active Moderate exercise 3-5 days/week Very Active … Read more
🏋️ 5 Rep Max Calculator Calculate your Five Rep Max (5RM) using scientifically validated formulas. Get personalized training recommendations and percentage-based workout plans optimized for strength endurance, hypertrophy, and power development. 🎯 Exercise Type Select ExerciseBench PressSquatDeadliftOverhead PressLeg PressIncline Bench PressClose Grip Bench PressDumbbell PressBarbell RowFront Squat Choose the exercise you want to calculate 5RM … Read more
Fat Intake Calculator & AI Meal Planner 1 Personal Info 2 Fat Goals 3 AI Results Metric kg / cm Imperial lbs / ft Fat Intake Calculator: Evidence-Based Nutrition Planning Evidence-based fat intake recommendations, omega-3 guidance, and comprehensive nutrition planning for optimal health and performance Advanced Fat Requirements Calculator Our evidence-based fat intake calculator utilizes … Read more
RPE Calculator Calculate your Rating of Perceived Exertion using official scales for strength training (1-10 RIR) and cardio (0-10 modified) with 1RM estimation and heart rate zones ℹ️ Scientific Validation: This calculator uses validated RPE scales with strong correlations (r=0.80-0.90) to physiological markers including heart rate, lactate levels, and 1RM percentages for accurate training prescription. … Read more
Schofield BMR Calculator WHO-endorsed age-specific metabolic rate calculator for all life stages ℹ️ Age-Specific Formula: The Schofield equation uses different formulas for each age group (0-3, 3-10, 10-18, 18-30, 30-60, 60+ years), providing superior accuracy across all life stages compared to single-formula approaches. 👤 Gender Select GenderMaleFemale Required for age-specific formula selection 🎂 Age Age … Read more