Manish Kumar

Manish is a NASM-certified fitness and nutrition coach with over 10 years of experience in weight lifting and fat loss fitness coaching. He specializes in gym-based training and has a lot of knowledge about exercise, lifting technique, biomechanics, and more. Through “Fit Life Regime,” he generously shares the insights he’s gained over a decade in the field. His goal is to equip others with the knowledge to start their own fitness journey.

One Rep Max Deadlift Calculator

July 10, 2025 by Manish Kumar

One Rep Max Deadlift Calculator Calculate your Deadlift One Rep Max (1RM) using scientifically validated formulas. Get personalized deadlift training recommendations and percentage-based workout plans optimized for maximum strength development. 🎯 Deadlift Type Select Deadlift TypeConventional DeadliftSumo DeadliftRomanian DeadliftStiff Leg DeadliftTrap Bar DeadliftDeficit DeadliftRack PullSingle Leg Deadlift Choose the deadlift variation you want to calculate … Read more

Sinclair Coefficient Calculator

July 9, 2025 by Manish Kumar

Sinclair Coefficient Calculator Calculate your Sinclair Total using official IWF coefficients (2021-2024 cycle) for accurate Olympic Weightlifting performance comparison across all body weight categories ℹ️ Official IWF Standards: This calculator uses the official IWF Sinclair coefficients (2021-2024 cycle) for accurate Olympic weightlifting performance comparison across all body weight categories. 👤 Gender Select GenderMaleFemale Gender determines … Read more

Harris-Benedict Calculator & Equation

July 8, 2025 by Manish Kumar

Harris-Benedict BMR Calculator 🎯 Age Age affects your metabolic rate calculation 👤 Gender Choose GenderMaleFemale Gender-specific equations ensure accuracy ⚖️ Weight Kilograms Pounds Current body weight for calculation 📐 Height Centimeters Inches Height measurement for metabolic calculation 🏃 Activity Level Select Your Activity LevelSedentary – Little to no exerciseLight Activity – Exercise 1-3 days/weekModerate Activity … Read more

Lean Body Mass (LBM) Calculator & Equation

July 7, 2025 by Manish Kumar

LBM Calculator – Lean Body Mass Calculate your Lean Body Mass using multiple scientifically validated equations including Boer, James, Hume, and lean body mass formulas ℹ️ Multiple Equations: This calculator uses Boer (most validated), James, Hume, and body fat-based equations to provide comprehensive lean body mass analysis with superior accuracy across diverse populations. 👤 Gender … Read more

Steps to Miles Calculator

July 7, 2025 by Manish Kumar

Steps to Miles Calculator Convert your daily steps to miles and kilometers using personalized stride length calculations. Get accurate distance analysis based on your height, gender, and walking characteristics. 🏃‍♂️ Personalized Accuracy: This calculator uses height-based stride length formulas for maximum accuracy. Results vary based on your physical characteristics and walking pace. 👟 Number of … Read more

Caffeine Half-life Calculator

July 6, 2025 by Manish Kumar

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 Conversion

July 6, 2025 by Manish Kumar

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 (Resting Metabolic Rate) Calculator

July 6, 2025 by Manish Kumar

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

Kilogram to Pound Conversion for Powerlifting

July 5, 2025 by Manish Kumar

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