Calculators for health and fitness are an invaluable resource for anyone looking to optimize their well-being. This category provides tools to help you track and understand various aspects of your health journey, from calculating your Body Mass Index (BMI) and target heart rate to estimating your daily calorie needs and ideal weight. Whether you’re a beginner starting a new fitness plan or a seasoned athlete fine-tuning your regimen, these calculators offer data-driven insights to help you set realistic goals and monitor your progress effectively.
Genghis Fitness FREE PROTEIN CALCULATOR: DAILY INTAKE FOR MUSCLE & FAT LOSS Find your exact daily protein requirement in grams — tailored for muscle building, aggressive fat loss, and athletic performance. Our macro calculator uses ISSN and ACSM guidelines to personalize targets based on your lean body mass, activity level, and training frequency. Includes a…
Genghis Fitness FREE CARBOHYDRATE CALCULATOR: FIND YOUR DAILY CARB INTAKE & MACROS Calculate your exact daily carbohydrate needs based on your body weight, height, age, activity level, and fitness goal — whether you’re cutting, bulking, maintaining, or fuelling athletic performance. Includes macro breakdown, meal timing guide, and carb food sources. CALCULATE YOUR DAILY CARBS (IN…
Genghis Fitness FREE TARGET HEART RATE CALCULATOR: ALL 5 TRAINING ZONES Find your maximum heart rate and all 5 training zones — fat burn, cardio, aerobic, anaerobic, and peak effort. Powered by the Karvonen formula. Built for serious athletes. CALCULATE YOUR KARVONEN HEART RATE ZONES (BPM) Age Resting Heart Rate (BPM) Fitness Level Beginner (0–6…
FREE ONE REP MAX CALCULATOR: ESTIMATE YOUR 1RM STRENGTH (LBS/KG) Estimate your 1RM using proven formulas. Calculate your maximum strength for bench press, squat, deadlift, and any lift with precise training percentages. CALCULATE YOUR 1RM AND TRAINING PERCENTAGES Exercise Bench PressSquatDeadliftOverhead PressBarbell RowPull-UpDipOther Exercise Weight Units Pounds (lbs) Kilograms (kg) Weight Lifted Reps Completed Calculate…
Genghis Fitness FREE CALORIES BURNED CALCULATOR: 40+ EXERCISES (LBS/KG) Find out exactly how many calories you burn during 40+ activities — from heavy deadlifts to a casual walk. Powered by MET science. Built for real athletes. CALCULATE YOUR EXERCISE CALORIE EXPENDITURE Metric (kg) Imperial (lbs) Weight Duration — Hours Duration — Minutes Activity Category 🏃…
FREE HEALTHY WEIGHT CALCULATOR: BMI & IDEAL WEIGHT RANGE Enter your stats to instantly calculate your BMI and discover your ideal weight range — built for real people, not spreadsheets. CALCULATE YOUR HEALTHY BODY WEIGHT (LBS/KG) Metric (kg / cm) Imperial (lbs / ft) Age Biological Sex SelectMaleFemale Height (cm) Weight (kg) Height — Feet…
FREE LEAN BODY MASS CALCULATOR: LBM ESTIMATOR (LBS/KG) Calculate your lean body mass using multiple scientific formulas Basic Calculator Uses scientifically validated formulas (Boer, James, Hume) based on your weight and height. Gender Male Female Unit System Metric (kg, cm)Imperial (lbs, inches) Weight (kg) Height (cm) Calculate LBM With Body Fat % If you know…
FREE ARMY BODY FAT CALCULATOR: U.S. TAPE TEST & AR 600-9 STANDARDS Estimate your body fat using the U.S. Army circumference method with height, neck, waist, and hip measurements. CALCULATE YOUR U.S. ARMY BODY FAT PERCENTAGE GENDER * Select GenderMaleFemale AGE * HEIGHT * US (INCHES) METRIC (CM) inches UNITS * US (INCHES) METRIC (CM)…
FREE RUNNING PACE CALCULATOR: FINISH TIME & DISTANCE (MIN/MILE) Calculate your pace, finish time, or distance — built for warriors who run with purpose. Calculate Pace Calculate Time Calculate Distance Unit: Miles KM Calculate Your Pace Enter your distance and finish time to find your pace per mile or km. Quick Race Distance 5K 10K…
⚡ FREE IDEAL WEIGHT CALCULATOR: TARGET BODY WEIGHT (LBS & INCHES) ⚡ Calculate Your Target Weight | The Modern Warrior Method Unit System Imperial (ft/in, lbs) Metric (cm, kg) Gender MaleFemale Height (Feet) Height (Inches) Height (Centimeters) Calculate Ideal Weight Robinson Formula (1983) — Most widely used formula for adults Miller Formula (1983) — Alternative…
FREE BMR CALCULATOR: BASAL METABOLIC RATE (MIFFLIN-ST JEOR / LBS) Calculate your Basal Metabolic Rate and discover how many calories your body burns at rest. Select Unit System Imperial (lbs, ft, in) Metric (kg, cm) CALCULATE YOUR RESTING CALORIE BURN Age (years) Biological Sex SelectMaleFemale Height Height (cm) Weight (lbs) Weight (kg) CALCULATE BMR Your…
FREE BODY FAT CALCULATOR US NAVY & SKINFOLD METHODS (LBS & INCHES) Calculate your body fat percentage using the US Navy Method or Jackson-Pollock Skinfold Method. Accurate to 3-4%. Get detailed body composition analysis. 📏 US NAVY METHOD Uses tape measure circumferences (neck, waist, hips) 📐 SKINFOLD METHOD Uses caliper measurements (chest, abdomen, thigh) 📏…
⚔ Free Nutrition Tool FREE MACRO CALCULATOR PROTEIN, CARBS & FATS (LBS & INCHES) Calculate your exact daily calories, protein, carbs, and fats to fuel your training and conquer your physique goals. METRIC (KG / CM) IMPERIAL (LBS / FT) ⚔ Step 1 — Your Stats HEIGHT (CM) HEIGHT FEET INCHES WEIGHT (KG) WEIGHT (LBS)…
⚔ Free Fitness Tool FREE BMI CALCULATOR METRIC & IMPERIAL (LBS & INCHES) Know your battle stats. Enter your height and weight to calculate your Body Mass Index and understand where you stand. METRIC (KG / CM) IMPERIAL (LBS / FT) HEIGHT (CM) HEIGHT FEET INCHES WEIGHT (KG) WEIGHT (LBS) AGE (OPTIONAL) GENDER (OPTIONAL) Select…