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.

3-Site Body Fat % Calculator (Jackson-Pollock Formula)

August 6, 2025 by Manish Kumar

Body Fat Calculator Calculate your body fat percentage using the scientifically proven Jackson-Pollock 3-site skinfold method for accurate body composition analysis ℹ️ Professional Assessment Tool: This calculator uses the gold-standard Jackson-Pollock 3-site skinfold method validated by sports scientists and fitness professionals worldwide. 🎂 Age Age in years (18-80 years old) 👤 Gender Select GenderMaleFemale Different … Read more

Ideal Weight Calculator

August 6, 2025 by Manish Kumar

Ideal Body Weight Calculator Multiple scientific formulas for comprehensive weight assessment and health analysis 🔬 Evidence-Based Formulas: This calculator uses 5 validated ideal body weight equations (Robinson, Miller, Devine, Hamwi, Broca) with integrated BMI analysis for comprehensive health assessment. 👤 Gender Select GenderMaleFemale Gender-specific formulas ensure accurate ideal weight calculations 📏 Height CM INCHES Height … Read more

Waist To Hip Ratio Calculator

August 5, 2025 by Manish Kumar

Waist to Hip Ratio Calculator Professional WHR assessment for cardiovascular health and body fat distribution analysis 🔬 Clinical Accuracy: This calculator uses evidence-based WHR thresholds from peer-reviewed cardiovascular research, including WHO guidelines and clinical studies on abdominal obesity assessment. 👤 Gender Select GenderMaleFemale Gender-specific thresholds are crucial for accurate cardiovascular risk assessment 📏 Waist Circumference … Read more

FFMI Calculator

August 5, 2025 by Manish Kumar

FFMI Calculator Professional Fat-Free Mass Index assessment for athletes, bodybuilders, and fitness enthusiasts 🔬 Scientific Accuracy: This calculator uses validated FFMI formulas from peer-reviewed research, including normalized FFMI adjustments for height variations and evidence-based interpretation categories. 👤 Gender Select GenderMaleFemale Required for accurate FFMI interpretation and categorization 📏 Height CM INCHES Height is essential for … Read more

Thermic Effect of Food (TEF) Calculator

August 5, 2025 by Manish Kumar

Thermic Effect of Food Calculator Discover how many calories your body burns digesting different foods and optimize your diet for maximum metabolism boost ℹ️ Metabolism Boost Tool: This calculator uses scientific research on food thermogenesis to show how different foods affect your metabolic rate and calorie burn. Quick Calculator Detailed Analysis 🍽️ Meal Size kcal … Read more

Daily Water Intake Calculator

August 4, 2025 by Manish Kumar

Daily Water Intake Calculator Discover your personalized daily hydration needs based on science-backed guidelines for better health, energy, and performance ℹ️ Smart Hydration Tool: This calculator uses Institute of Medicine guidelines and scientific research to determine your optimal daily water intake based on your individual characteristics and lifestyle. ⚖️ Body Weight KG LBS Your current … Read more

Squat to Deadlift Ratio Calculator

August 3, 2025 by Manish Kumar

Squat to Deadlift Ratio Calculator Discover your strength balance and identify muscle imbalances to optimize your training for better performance and injury prevention ℹ️ Strength Analysis Tool: This calculator uses proven powerlifting standards to analyze your squat to deadlift ratio and identify potential muscle imbalances that could affect your training progress. 🏋️ Squat Weight (1RM) … Read more

10 Rep Max (RM) Calculator for Weight Training

August 2, 2025 by Manish Kumar

10 Rep Max Calculator Find your perfect muscle-building weight and create personalized training programs that actually work for your strength goals ℹ️ Smart Training Tool: This 10RM calculator uses scientifically-validated formulas to determine your optimal muscle-building weights based on your current performance. Enter your test results to get personalized training recommendations. 🎯 Exercise Type Choose … Read more

ERG Calculator

August 1, 2025 by Manish Kumar

ERG Calculator: Indoor Rowing Training Zones & Performance Calculator ERG Calculator Calculate your indoor rowing training zones, pace targets, and power output for optimal performance ℹ️ Professional Training Tool: This ERG calculator uses scientifically-validated formulas to determine your rowing training zones based on your test performance. Enter your rowing test results to get personalized training … Read more